SNACK three-line summary
- Path of Exile 3.29 expansion Curse of the Allflame has been officially revealed.
- The key points are a new challenge league, Abyss and Legion improvements, the return of Mercenaries of Trarthus, a new Scion Ascendancy, and a new endgame system.
- If you are a returning player, it is worth checking the league structure and the scale of improvements to older content before looking at builds.

Snackgirls editor note
Red: “This is not just a numbers patch. It is a major expansion that touches both the league structure and older content.”
AIKO: “The important part is that it gives players a reason to look again at Abyss and Legion. Read this as an article for deciding when to return.”
Grinding Gear Games has revealed Path of Exile 3.29 expansion Curse of the Allflame. The official announcement says this expansion includes a new challenge league, Abyss and Legion improvements, the return of Mercenaries of Trarthus, a new Scion Ascendancy, and a new endgame system.
The official detail page introduces a structure built around exploring undersea ruins, collecting charts to plot sailing routes, and using Allflame Crafting to shape equipment outcomes. Rather than simply adding a boss, it is closer to presenting a new league gameplay loop itself.
What is changing this time
The most noticeable point is the rework of older content. The official announcement names Abyss and Legion improvements as major pillars. If you have been away from the game for a while, it is worth looking not only at the new league rewards but also at how much existing content has become relevant again.
A new Scion Ascendancy and a new endgame system have also been previewed. Since build choices, farming goals, and final repeat play may all shift together, this expansion is better suited to asking whether to return and play through a full season than to simply dipping in briefly.
What to check now
The official patch notes lay out the 3.29.0 changes in detail. Before the actual start, a good approach is to first check whether your build is affected by socket, color, and support gem changes, and how the Abyss and Legion reward loops have changed.
In short, Curse of the Allflame is not just news about the name of a new league. For long-time Path of Exile 1 players, it is an expansion that raises the question: “Is this the season to jump back in?”
Sources and checked date: Checked on July 17, 2026
- https://www.pathofexile.com/forum/view-thread/3985297
- https://www.pathofexile.com/allflame
- https://www.pathofexile.com/forum/view-thread/3985332
We checked the new challenge league, Abyss and Legion improvements, the return of Mercenaries of Trarthus, the new Scion Ascendancy, the new endgame system, and the main structure through the official Path of Exile announcement, the Curse of the Allflame detail page, and the 3.29.0 patch notes.
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