Picking a class in WoW Forever is one of those decisions that follows you for hundreds of hours. If you plan to play mostly on your own, that choice carries even more weight. This guide pulls together the strongest solo picks across leveling, PvE, and PvP, with specific notes on what each class actually does well when nobody is standing next to you to pick up the slack.
Here we are going to sort out WoW Forever best Solo class rankings for leveling, PvE (quests & dungeons), and solo PvP across duels, battlegrounds, and world fights.
WoW Forever Solo Tier List - Best Solo Leveling/PvE/PvP Classes Ranked
WoW Forever is not built around the solo player. The tagging system is old-school, group content holds some of the best rewards, and certain dungeons and elite quests will simply be out of reach if you refuse to party up. Even with that said, solo play is very much alive and workable in Forever, and some classes are built almost perfectly for it.
Blizzard has pushed quest density up, added legacy points so lower-level runs feel different each time, and reworked dungeons so running them one time per character is a real XP boost rather than a trap. Mob-kill XP has been reduced in weight, which means questing is now the main road from 1 to 60. The old speedrunner trick of pulling half of Maraudon or sitting in Zul'Farrak for 11 levels straight has been reined in with new dungeon guard rails, and frost mage's control package has been toned down.
What this all adds up to is a solo environment where any class can get to 60, but the gap between the smoothest classes and the roughest ones is real. The same applies to open-world farming and to solo PvP in duels and battlegrounds. With that context in place, here is how all nine classes rank across the three solo play styles that matter most.
WoW Forever Best Solo Leveling Classes Ranked
Leveling in Forever rewards two things above all else: killing mobs steadily and moving between quests without wasted time. Questing is the new meta, dungeons work as a one-time XP boost per character, and mob-kill XP has been toned down. The classes that do all of this at once sit at the top, while the ones that lean on gear or careful pulls sit lower. Ratings below cover Kill Speed, Survivability, Downtime (higher is better, meaning less of it), Gear Independence, and Mobility.
1. Hunter (S-Tier)
Kill Speed: ⭐⭐⭐⭐⭐
Survivability: ⭐⭐⭐⭐⭐
Low Downtime: ⭐⭐⭐⭐⭐
Gear Independence: ⭐⭐⭐⭐☆
Mobility: ⭐⭐⭐⭐☆
Hunter is the fastest and most self-reliant leveling class in Forever. The pet tames at level 10 and holds enemy attention while you shoot from range, which turns most fights into free damage with little risk. Endurance Training boosts pet health and armor by 15% at full investment, Mend Pet keeps the companion topped up, and Aspect of the Cheetah at level 20 cuts travel time between quest hubs. Mana is barely a concern in Forever, and the Night Elf racial pairing transfers 10% crit to the pet one-to-one. Pet scaling with gear is a new addition that keeps the class strong at every stage.
2. Mage (A-Tier)
Kill Speed: ⭐⭐⭐⭐⭐
Survivability: ⭐⭐⭐☆☆
Low Downtime: ⭐⭐⭐⭐☆
Gear Independence: ⭐⭐⭐⭐☆
Mobility: ⭐⭐⭐⭐⭐
Mage got nerfed in Forever, but it is still an elite leveler. The frost control package is weaker than Classic era, so the half-of-Maraudon pulls are gone. What remains is a class that quests while cleaving, drops AoE on packs between objectives, conjures its own food and water, and teleports around the map. Frost Nova at 10 and Blink at 20 create space, and Ice Lance deals 300% increased damage against frozen targets once that combo comes online. The downside is squishiness and heavy mana reliance, which is why Mage trails Hunter for the average player.
3. Druid (A-Tier)
Kill Speed: ⭐⭐⭐⭐☆
Survivability: ⭐⭐⭐⭐☆
Low Downtime: ⭐⭐⭐⭐☆
Gear Independence: ⭐⭐⭐⭐☆
Mobility: ⭐⭐⭐⭐⭐
Druid moves up a notch in Forever thanks to feral damage sitting in a strong spot and Ferocious Bite coming online at level 24 instead of 32. Bear form at 10, cat form at 20, and travel form at 30 give the class a steady stream of new tools during leveling. Improved Wrath cuts cast time by half a second and mana cost by 50% at full investment, and Feral Swiftness grants 30% movement speed in cat form. Druid can tank, melee, cast, or heal depending on what the moment calls for, which keeps your downtime low across almost every scenario.
4. Warlock (A-Tier)
Kill Speed: ⭐⭐⭐⭐☆
Survivability: ⭐⭐⭐⭐⭐
Low Downtime: ⭐⭐⭐⭐⭐
Gear Independence: ⭐⭐⭐⭐☆
Mobility: ⭐⭐⭐☆☆
Warlock climbs two pegs on the totem pole in Forever. The Voidwalker tanks for you starting at level 10, Demonic Embrace keeps the demon topped up through your spell damage, and Life Tap now shares mana with your demon. Demonic Brand gives pets real threat regardless of which one you pick, so Demonology feels strong for single or double-target leveling and Affliction keeps rolling three mobs at once. Kill speed is steady rather than explosive, but downtime is almost nonexistent thanks to Drain Life, Hellstones, and the pet's health bar soaking most incoming damage.
5. Warrior (B-Tier)
Kill Speed: ⭐⭐⭐⭐☆
Survivability: ⭐⭐☆☆☆
Low Downtime: ⭐⭐☆☆☆
Gear Independence: ⭐⭐☆☆☆
Mobility: ⭐⭐⭐☆☆
Warrior scales incredibly well with weapons into the 50s and in good hands puts up strong times. Victory Rush at 20 heals 10% max health after a kill with a 30-second cooldown, and Blood Craze restores 3% health over 6 seconds after a triggering hit. The problem for the average player is downtime. A rough fight means eating food, bandaging, or waiting for health to come back. Weapon upgrades carry an outsized impact, so a bad drop week can make leveling feel miserable.
6. Rogue (B-Tier)
Kill Speed: ⭐⭐⭐⭐☆
Survivability: ⭐⭐⭐☆☆
Low Downtime: ⭐⭐⭐☆☆
Gear Independence: ⭐⭐⭐☆☆
Mobility: ⭐⭐⭐⭐☆
Rogue has fantastic single-target damage and the strongest route control in the game thanks to Stealth, Sap, Vanish, and the full CC chain. Evasion at level 8 adds 50% dodge against dodgeable attacks for 15 seconds, and Improved Endurance eventually drops Evasion's cooldown to 2 minutes. Vanish arrives at 22, so the full escape toolkit takes some levels to come online. The lack of self-healing and no AoE for pack grinding keep Rogue out of the top tier for pure leveling speed.
7. Paladin (B-Tier)
Kill Speed: ⭐⭐⭐☆☆
Survivability: ⭐⭐⭐⭐⭐
Low Downtime: ⭐⭐⭐⭐☆
Gear Independence: ⭐⭐⭐☆☆
Mobility: ⭐⭐⭐☆☆
Ret Paladin benefits from more weapon progression in Forever and dodges the old Alliance post-bone-biter bottleneck. Holy Strike arrives at level 6 with a 10-second cooldown, Sanctify Judgment refunds 60% of the seal's mana cost at full investment, and Pursuit of Justice adds 15% movement speed. Kill speed is fine in the lower levels and slower later, and mana gets tight when you lean on healing between fights. Steady and consistent, not fast.
8. Shaman (C-Tier)
Kill Speed: ⭐⭐⭐☆☆
Survivability: ⭐⭐⭐⭐☆
Low Downtime: ⭐⭐⭐☆☆
Gear Independence: ⭐⭐⭐☆☆
Mobility: ⭐⭐⭐⭐☆
Shaman has strong early tempo thanks to Ghost Wolf at 20 with Improved Ghost Wolf removing the 3-second cast and allowing it indoors. Shamanistic Focus trims mana costs on Shocks and Lightning Shield. Enhancement is a Windfury casino, swinging between absurd highs and empty lows on slow two-handed weapons. Elemental is lackluster in the early to mid levels and dependent on mana. The class has a strong toolkit, but consistency and raw leveling speed trail other options.
9. Priest (C-Tier)
Kill Speed: ⭐⭐☆☆☆
Survivability: ⭐⭐⭐⭐⭐
Low Downtime: ⭐⭐⭐☆☆
Gear Independence: ⭐⭐⭐☆☆
Mobility: ⭐⭐☆☆☆
Priest lands at the bottom for leveling speed, which does not mean it is bad. Spirit Tap at five points gives you a 100% spirit bonus for 15 seconds after a qualifying kill, with 50% mana regen while casting during that window. Devouring Plague at 20 heals you for the damage dealt. Shadow damage in Forever is better than Classic era, but fights still take longer than most other classes and mana management on heals eats into your damage uptime. Measured and safe, not fast.
WoW Forever Best Solo PvE Classes Ranked
Solo PvE covers questing, farming, grinding professions, soloing old content, and generally staying alive when you overpull. Raids are off the table for a true solo player, but questing, open-world farming, and the occasional soloable dungeon all come into play. Ratings below cover Questing, Open-World Farming, Soloable Dungeon Potential, and Elite Quest Capability.
1. Hunter (S-Tier)
Questing: ⭐⭐⭐⭐⭐
Open-World Farming: ⭐⭐⭐⭐⭐
Solo Dungeon Potential: ⭐⭐⭐⭐⭐
Elite Quest Capability: ⭐⭐⭐⭐⭐
Hunter earns the top solo PvE spot for the same reason it tops leveling. The pet absorbs damage while you shoot from range, Feign Death at level 30 bails you out of ugly situations, and traps now work in combat alongside slows and Aspect of the Cheetah to let you dictate every encounter. Mana does not feel like a wall in Forever, so there is very little downtime between fights. Hunter has an answer for almost every solo scenario including multiple mobs, kiting, and elite quests tuned above level. The pet route is the one to focus on, since Lone Wolf trades away the support that makes the class so forgiving.
2. Warlock (S-Tier)
Questing: ⭐⭐⭐⭐⭐
Open-World Farming: ⭐⭐⭐⭐⭐
Solo Dungeon Potential: ⭐⭐⭐⭐☆
Elite Quest Capability: ⭐⭐⭐⭐⭐
Warlock is right behind Hunter and some players will put it ahead. The Voidwalker tanks, Drain Life refills your health off enemies, Fear buys time, Hellstones and Soulstones add real convenience, and dots roll across multiple mobs while the demon holds one in place. Soul Link essentially works like a permanent damage split. The management layer is real, with health, mana, soul shards, and demon positioning all demanding attention. Warlock can get into terrible situations and still find a way out.
3. Paladin (A-Tier)
Questing: ⭐⭐⭐⭐☆
Open-World Farming: ⭐⭐⭐⭐☆
Solo Dungeon Potential: ⭐⭐⭐⭐☆
Elite Quest Capability: ⭐⭐⭐⭐⭐
Paladin is the hardest class to kill in the game for solo content. Plate armor, blessings, auras, healing, Divine Shield, and defensive cooldowns combine into a kit that walks out of situations other classes die in. Ret Paladin got real improvements in Forever, and in the right hands Paladin can even pull off the Zul'Farrak zombie farm. Kill speed is not top of the pack past the early levels, and mana can get tight when you lean on healing, but the sheer consistency makes Paladin one of the strongest solo PvE picks for the average player.
4. Druid (A-Tier)
Questing: ⭐⭐⭐⭐☆
Open-World Farming: ⭐⭐⭐⭐☆
Solo Dungeon Potential: ⭐⭐⭐⭐☆
Elite Quest Capability: ⭐⭐⭐⭐☆
Druid is one of the most versatile classes in the entire game, and the Forever shapeshifting changes make swapping forms feel much smoother than Classic. Bear tanks, cat deals melee damage, caster form heals, and travel form moves you around. Nature's Grasp adds a free root for emergencies. The downside is that raw damage trails dedicated DPS classes and juggling forms, mana, and resources takes some practice. For a solo player who likes having an answer to everything, Druid is excellent.
5. Mage (A-Tier)
Questing: ⭐⭐⭐⭐☆
Open-World Farming: ⭐⭐⭐⭐⭐
Solo Dungeon Potential: ⭐⭐⭐☆☆
Elite Quest Capability: ⭐⭐⭐⭐☆
Mage has incredible damage, elite CC, and the ability to kite packs with Frost Nova and Blink while barely taking a scratch. Water and food conjuring saves gold on consumables, and teleports cut travel time between quest hubs. Frost in particular shines for solo PvE thanks to slows, roots, and freezes. The catch is that mages are squishy, the frost nerfs mean you cannot play exactly like Classic, and if something sticks to you without a nova or blink available, things turn south fast.
6. Shaman (B-Tier)
Questing: ⭐⭐⭐☆☆
Open-World Farming: ⭐⭐⭐☆☆
Solo Dungeon Potential: ⭐⭐⭐☆☆
Elite Quest Capability: ⭐⭐⭐☆☆
Shaman has healing, totems, slows, interrupts, and a huge utility toolkit. Enhancement can post absurd damage when Windfury procs line up, and Elemental becomes consistent later on. The inconsistency of two-handed Windfury swings, slow mana recovery on heals, and lackluster early Elemental play keep the class in the middle for solo PvE. For a player who wants that hybrid toolkit, Shaman delivers plenty.
7. Rogue (B-Tier)
Questing: ⭐⭐⭐⭐☆
Open-World Farming: ⭐⭐⭐☆☆
SoloDungeon Potential: ⭐⭐⭐☆☆
Elite Quest Capability: ⭐⭐⭐☆☆
Rogue has Stealth, Sap, Evasion, Vanish, Gouge, Blind, and Cheap Shot. The toolkit is fantastic for picking fights, controlling individual encounters, and skipping unnecessary mobs. Humanoid-heavy zones are particularly comfortable thanks to Sap. The problem is sustain. Rogues lean on food and bandages between fights, lack a pet or taunt to shift pressure, and have no real AoE for multi-mob situations. Fantastic for choosing engagements, situational everywhere else.
8. Priest (B-Tier)
Questing: ⭐⭐⭐☆☆
Open-World Farming: ⭐⭐⭐☆☆
Solo Dungeon Potential: ⭐⭐⭐☆☆
Elite Quest Capability: ⭐⭐⭐⭐☆
Priest has shields, dispels, strong self-healing, and Shadow adds real damage and sustain through Devouring Plague and the broader shadow toolkit. Spirit Tap handles mana recovery between kills. The trade is efficiency. Fights last longer, mana management on heals eats into your damage uptime, and the overall pace is slower than the classes above. A very safe choice if being hard to kill matters more than kill speed.
9. Warrior (C-Tier)
Questing: ⭐⭐⭐☆☆
Open-World Farming: ⭐⭐☆☆☆
Solo Dungeon Potential: ⭐⭐☆☆☆
Elite Quest Capability: ⭐⭐☆☆☆
Warrior is the most demanding class for comfortable solo PvE. The lack of easy self-healing means downtime after every rough fight, weapon upgrades carry an outsized impact on kill speed, and overpulling has fewer safety nets than any other class. Victory Rush and Blood Craze help, but they do not change the fundamentals. Warriors who enjoy deliberate pulls and weapon progression will still have a good time with this class, just not the smoothest one.
WoW Forever Best Solo PvP Classes Ranked
Solo PvP in Forever covers duels, battlegrounds, and world PvP. The best classes are the ones that never feel limited, either because they pick their fights or because they are tanky enough to survive on their own. Mobility is heavily limited for most classes in Forever, which pushes ranged specs and mobile stealth classes up the rankings. Ratings below cover Duels, Battlegrounds, and World PvP.
1. Rogue (S-Tier)
Duels: ⭐⭐⭐⭐☆
Battlegrounds: ⭐⭐⭐⭐⭐
World PvP: ⭐⭐⭐⭐⭐
Everyone knows that rogues are crazy good in world PvP because they get to decide when the fight happens. And usually, it's without your permission. They are the quintessential ganking class who can also be remarkably slippery. They're also very good in duels. And yes, we know rogues didn't exactly crush the forever dueling tournament, but at level 30 they were missing key tools like blind. But what really carries rogues is battlegrounds. They're great at running down enemy flag carriers, decent at carrying the flag themselves for short bursts, and they have a ton of control for capturing bases and nodes. It is the ultimate objective class and has the potential to solo carry BGs no matter what. The new talent that lets Rogues Sap two targets at once pushes the class even higher, which is obviously insane and is the sort of thing that gives Venruki nightmares. At level 30, Rogue was missing Blind in the Forever dueling tournament, which hurt its duel performance, but at 60 the full toolkit comes online and Rogue is the premier objective class in the game.
2. Warlock (S-Tier)
Duels: ⭐⭐⭐⭐⭐
Battlegrounds: ⭐⭐⭐⭐⭐
World PvP: ⭐⭐⭐⭐☆
Warlock is the real tank of Forever PvP. With soul link basically being a permanent shield wall and with tons of self-healing, warlocks can stay alive on their own for a ridiculous amount of time. But what really carries warlock as a DPS is your fell hunter's Devour Magic. Defending a base and your healer gets polymorphed? You can dispel them. The only real downside is mobility. If you get stuck in combat, crossing the map to play objectives might be a struggle. Soul Link acts like a permanent Shield Wall, Drain Life keeps you alive forever, and the Felhunter's Devour Magic dispels Polymorph off a healer or ally defending a node. Death Coil in battlegrounds is one of the strongest buttons in the game, especially in Warsong Gulch. Mobility is the real weakness and crossing the map in combat is rough. But overall, warlock is a really versatile class for PvP and a very strong pick for battlegrounds, as top-tier solo PvP pick with high duel presence and strong team impact.
3. Druid (A-Tier)
Duels: ⭐⭐⭐⭐☆
Battlegrounds: ⭐⭐⭐⭐⭐
World PvP: ⭐⭐⭐⭐☆
Druid can literally do everything in PvP. Now, for some context for all your retail fanboys, mobility in forever is severely limited for most classes. But druids are in a league of their own, making them the go-to flag carrier in battlegrounds. And here's the thing, druids also have Stealth, obviously. So, you can sneak into the enemy base, grab the flag in Warsong Gulch, and sprint right back out or duo ninja a node with a rogue. And no other class can really do that while being this mobile and this tanky. On top of that, druids are very self-sustainable. Even as balance or feral, you can heal yourself fairly well. And if you're playing one of the hybrid builds, even better. Overall, druids are shaping up to be pretty solid in duels and one of the MVPs of any battleground.
4. Hunter (A-Tier)
Duels: ⭐⭐⭐⭐☆
Battlegrounds: ⭐⭐⭐⭐☆
World PvP: ⭐⭐⭐⭐⭐
The cheekiest, raddest class in Forever PvP, Hunter brings Hunter's Mark, which lets you see a target through Stealth, by revealing a target through Stealth at 100 yards for a full 2 minutes with a mini-map ping. So, that Druid flag carrier who thought they were being sneaky, they're now a little dot you get to chase around for 2 minutes. It can do a ton of damage on the move, especially as Beast Mastery. Beast Mastery deals heavy damage on the move, 1v1s are strong, and Freezing Trap now works in combat alongside Scatter Shot for kiting. The weakness is sustainability when things go wrong, since there is no retail-style Disengage, Aspect of the Cheetah, and Freedom combo in Forever. All in all though, we expect hunter to be a really versatile class in Forever PvP and a great pick for any solo player.
5. Mage (A-Tier)
In theory, there's absolutely an argument that mage is S-tier. Mage has some of the best CC in the game, which lets it dictate team fights and defend bases with Polymorph and Frost Nova. But it's also more punishing to play with a higher skill floor than Rogue or Warlock, and raw battleground impact might trail those two. Can it do as much as a rogue or druid in the BG? Probably not. And is it as good as warlock? That's a hard argument to make, which means mage officially kicks off our A-tier. A good Mage in a defensive setup chain-polymorphs attackers and shuts down pushes with ease. In duels, Frost brings slows, roots, freezes, and 300% Ice Lance damage against frozen targets. The ceiling in a skilled hand is enormous.
Duels: ⭐⭐⭐⭐☆
Battlegrounds: ⭐⭐⭐⭐☆
World PvP: ⭐⭐⭐⭐☆
6. Priest (A-Tier)
Priest is tricky to rank. Disc was obviously a standout dueler in the recent tournament, and Shadow should be solid at 60 thanks to Silence being one of the best spells in the game. With all this in mind, we think that priest suffers the same problem as mage. It's a very good class as a whole, but can do less to impact the game compared to the rest of the high tiers. Double dispel is huge in team fights, and Shadow Priest adds real pressure as a backline caster. The limitation is objective impact. Priest offers less flag carrying and node defense than a Warlock or Druid, which keeps it in A-tier rather than S.
Duels: ⭐⭐⭐⭐☆
Battlegrounds: ⭐⭐⭐☆☆
World PvP: ⭐⭐⭐☆☆
7. Paladin (B-Tier)
Paladin was one of the best duelers at level 30. Divine Shield, blessings, Cleanse, and strong team support cover most situations. Ret has real 1v1 damage, Holy heals team fights well, and the ability to Cleanse Polymorph or Fear off teammates matters more in battlegrounds than people give it credit for. Blessing of Freedom and Blessing of Sacrifice shift the pace of a team fight. The limitation is raw objective play. A Ret Paladin cannot do what a Rogue does for a battleground, and in world PvP any class can simply walk away.
Duels: ⭐⭐⭐⭐⭐
Battlegrounds: ⭐⭐⭐☆☆
World PvP: ⭐⭐⭐☆☆
8. Shaman (B-Tier)
Shaman has similar strengths to Paladin. Enhancement is a solid duel spec with Windfury turning fights into a casino simulator, and Cidu made a deep run in the Forever dueling tournament on it. Tremor Totem, Poison Cleansing Totem, Grounding Totem, Purge, and strong interrupts let a Shaman actively support a team even when solo-queued into a battleground. Elemental should be a strong backline caster at 60 with gear. The weakness is the lack of hard CC. No Hex, no Polymorph, no Sap, which limits the class in objective-heavy fights.
Duels: ⭐⭐⭐⭐☆
Battlegrounds: ⭐⭐⭐☆☆
World PvP: ⭐⭐⭐☆☆
9. Warrior (C-Tier)
Warrior lands at the bottom for solo PvP, which does not mean it is useless. Arms will be a strong team-fight brawler, and Mortal Strike's 50% healing reduction creates real kill pressure on a focus target. A well-supported Warrior with a healer behind them is a wrecking ball in battlegrounds. The problem is solo play. Mobility is worse than almost every other class, self-sustain is thin, and any opponent who can simply press W and walk away has an easy out. Warrior has one job in Forever PvP, which is being a frontline killer in battlegrounds with support.
Duels: ⭐⭐☆☆☆
Battlegrounds: ⭐⭐⭐⭐☆
World PvP: ⭐⭐☆☆☆
Useful Pro Tips to Solo in WoW Forever
Picking the right class is only half the battle. The players who grind out levels, farm gold efficiently, and survive sketchy open-world situations in Forever all tend to share the same habits. The tips below apply across every class and will shave hours off your playtime regardless of whether you rolled Hunter, Warlock, or something further down the list.
Lean on questing over grinding - Mob-kill XP has been toned down in Forever, and quest density has been pushed up. Grinding packs of mobs between quests feels productive but almost always loses to running a tight quest route through a zone. Use a quest tracker, batch objectives in the same area, and only kill mobs that are already on your path.
Save your dungeon run for the right level - Each dungeon offers a one-time XP boost per character in Forever. Burning that boost at the minimum level is a waste. Hold the run until you have cleared the quests tied to that dungeon, and ideally until you have a friend or guildmate who can help you push through quickly. A clean run with full quest completion is worth significantly more than three sloppy ones.
Always keep bandages and food on your bar - Downtime between fights is where leveling times go to die. First Aid stays relevant through every expansion and lets non-healing classes recover between fights without sitting down. Cooking is nearly as valuable. Stockpile stacks of both whenever you hit a new tier, and keep them bound to a key you can actually press mid-fight.
Pick up two gathering professions early - Skinning, Herbalism, and Mining pay for mounts, gear, and repairs without eating into your leveling time. You pass over the nodes anyway, so the only cost is a few seconds per gather. Save crafting professions like Blacksmithing or Engineering for a second character once gold is no longer tight.
Buy your mount the second you can afford it - Travel time between quest hubs is the biggest hidden tax on leveling. The 40% mount at level 40 pays for itself within a few hours of play, and the 100% mount at 60 is the single biggest quality-of-life upgrade in the game. Save aggressively through the 30s and do not let gear upgrades pull from your mount fund.
Learn to use pet or demon control in dungeons - Hunters and Warlocks can tank five-mans with a well-managed companion, which opens up solo runs of lower-level dungeons for gear, mats, and gold. Growl on, aggressive stance, and pet positioning behind the mob so cleaves do not clip you are the three keys. Practice this on world mobs before you try it on a boss.
Scout before you engage in contested zones - Hillsbrad, Stranglethorn, and the Plaguelands turn into gank factories at peak hours. Checking the map, pulling with ranged abilities to see who shows up, and keeping a Hearthstone or escape ability off cooldown saves hours of corpse-running. If you see opposite-faction players stacking up at a flight path, log off or move zones.
Use the auction house as a leveling tool - Green upgrades for your weapon slots pay off more than any other piece of gear in a solo run. Check the AH every few levels for cheap enchants and upgrades that match your stat priority. Twenty silver on a weapon upgrade at level 25 can turn five-second fights into three-second fights, and that time compounds across every mob you kill for the next ten levels.
Set up your UI before you need it - Interrupts, trinkets, defensive cooldowns, and bandages belong on keys you can press without looking. Classes with a lot of situational tools, like Druid and Shaman, suffer the most from clunky binds. Spend thirty minutes early on getting your action bars and binds right. Future you will survive overpulls that past you would have died to.
Join a leveling guild even if you plan to play solo - Social features in Forever still matter. A guild gives you access to buffs, enchants at cost, group members for elite quests you cannot skip, and summons across the continent. You do not have to raid or run keys to benefit from being in one. Just being in guild chat with twenty other players doing the same content you are doing solves half of the problems a true solo player runs into.
Stick to these habits and the gap between your fastest run and your slowest will close fast. Combine them with one of the top-tier classes above and WoW Forever becomes one of the most rewarding solo WoW experiences available right now.