The Covens of Umbra expansion (3.30) brings sweeping changes to Path of Exile’s endgame loop. Among the biggest shifts is the retirement of Scarabs, replaced entirely by Threads of Creation, or simply Threads. This guide breaks down everything you need to know about this new map-juicing system, what each PoE 3.30 Thread type does, how to farm them, and key rules to keep in mind while mapping.
PoE 3.30 Threads Guide
Threads are the new consumable endgame item that takes the place of Scarabs in Path of Exile 3.30 endgame. You place them directly into your Map Device before activating a map. Each Thread ties to one specific league mechanic, and adding Threads raises both the encounter’s difficulty and its reward potential.
For one single league mechanic, you can spend up to 8 Threads. Every Thread you add improves the chance for special random modifiers to roll on that mechanic. The Map Device supports up to 3 different Thread types on the same map at once, so you can stack multiple league encounters in one run. This system pairs with the fully reworked Atlas Passive Tree; many old Scarab bonuses are now built into Atlas notable passives instead.
PoE 3.30 Threads List & Uses/Effects
Every Thread type adds its matching league encounter into the area you run. All listed Threads have a stack size of 100.
Blight Thread: Adds a Blight Encounter to your map.
Incursion Thread: Adds Temporal Incursions to your map.
Bestiary Thread: Adds capturable Beasts to your map.
Ritual Thread: Adds Ritual Altars to your map.
Abyss Thread: Adds Abyss encounters to your map.
Expedition Thread: Adds an Expedition Cache to your map.
Legion Thread: Adds Legion Encounters to your map.
Breach Thread: Adds Breaches to your map.
Ultimatum Thread: Adds an Ultimatum Encounter to your map.
Betrayal Thread: Spawns the Immortal Syndicate in your map.
It is important to understand that Threads only guarantee and scale their assigned mechanic. They do not change the base map itself beyond the added encounters and difficulty scaling. When multiple league mechanics spawn close together on a map, they can trigger special synergy effects. For example, a Strongbox next to Blight can become blighted, opening multiple times and dropping Oils and blighted maps.
Where and How to Get Threads in PoE 3.30?
Threads drop naturally from endgame content across your Atlas. You can pick them up from normal monster drops, boss kills, and inside maps while running endgame content. They are not locked behind a single encounter or vendor.
Item rarity affects your chance to get Threads, just like it works for other endgame loot. As you run more maps and stack item rarity, you will collect more Threads over time. There is no special recipe to craft Threads, and they do not come from campaign zones. If you want to focus on gathering a specific kind of Thread, you can use Atlas passives that boost the spawn rate of that league mechanic to see more drops of its matching Thread.
PoE 3.30 Thread Usage Rules
You can combine up to three different Thread types per map, but you cannot put more than 8 Threads toward a single mechanic. Spending more Threads on one mechanic pushes rewards higher, but the monsters inside that encounter hit harder and have more health. This creates a clear tradeoff between loot gain and survivability.
How Threads Fit Into the PoE 3.30 Covens of Umbra League
Threads are separate from the core Covens league mechanic (Fates, Wickerman, Grim Fates and the Coven Queen fight). Fates empower the area boss after you disrupt witch rituals, while Threads add extra old league content to your map. You can run Threads and interact with the Coven ritual system in the same map. Trophies or Viscera you get from Fate-empowered bosses go into your Wickerman, and this does not consume or interact with your Threads.
Atlas Tree and Other Endgame Changes
Since Scarabs are gone, the new Atlas Passive Tree carries many modifiers players previously got from Scarabs. This means you can build your Atlas tree to support the Thread types you like to run most. Many older league systems also received standalone reworks alongside the Thread update. Harvest no longer spawns a separate Sacred Grove; instead, you find craftable roots that spawn monsters for Lifeforce. Gwennen has a new coin-flip crafting service for rare items, and Atziri now replaces the Vaal Omnitect inside the Temple of Atzoatl.
Loot Tier System Note
The new tiered magic and rare item drop system works independently of Threads. Threads raise the reward level of league mechanics, but item tiers roll on dropped magic or rare items based on item rarity. Higher tier items come with more sockets, links and stronger modifiers. Tier 5 rares can even drop special league base types such as Simplex Amulet and Cord Belt.
Important Distinction from Similar Map Enchants
Do not mix Threads up with other map enchant items in PoE 1 3.30. Items like Allflame Ember of the Divine, Royal Visage, Soul Core variants and Afarud Enshrouding Crystal serve different purposes. Soul Cores corrupt level 20 skill gems to add random support effects, while Allflame Ember swaps monster packs for Pantheon-touched rare monsters. These are not Threads and do not use the same Map Device slot system.