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Hero Siege Season 10 — Ebontharn Changes & Patch Notes

Live since 2026-08-21. Review confirmed changes, the latest hotfix context, and current build references.

Hero Siege runs on a seasonal model where each season introduces new mechanics, classes, balance changes, and a fresh start for all players. Season 10, titled Ebontharn, launched on August 21, 2026. It adds the free Act 9 campaign chapter, makes Act 8 part of the base game, and changes the campaign route into endgame.

Seasonal play is recommended for the best experience. Everyone starts fresh, so you compete on an even playing field. Your non-seasonal characters are never deleted. They remain available when the season ends and seasonal characters convert to non-seasonal. If you're new to Hero Siege, starting seasonal means learning the current meta from day one rather than catching up on outdated content.

For Act 9 access and the patch-sensitive launch changes, read the Hero Siege Ebontharn guide. Current build pages retain their cited build data, but should not be read as a Season 10 tier list until they are individually revalidated.

Season Changes

  • New

    Act 9: Ebontharn

    A new free campaign act that opens after defeating Odin in Act 8. Act 8 is also now part of the base game progression.

  • Rework

    Expanded Incarnation Tree

    Season 10 adds more than 600 Incarnation nodes. Use the official patch notes for the current node and balance details.

  • Rework

    Expanded Ether Tree

    Season 10 adds more than 100 Ether nodes alongside the current endgame progression systems.

  • Balance

    New content and storage

    The launch announcement lists 24 new unique items, three new Uber bosses, and a free Relic Storage feature.

  • Balance

    More free classes

    Marauder, Plague Doctor, Shield Lancer, and Jötunn are now included in the base game.

  • Balance

    Abyssal Chest adjustments

    Patch 7.0.2 raised Abyssal Chest magic find to 24% on Inferno and 35% on Hell.

  • Balance

    Act 9 quest guidance

    Patch 7.0.2 added NPC indicators and minimap guidance for Act 9 quests, alongside market and stability fixes.

Beginner Leveling Builds

Beginner Guide

New to Hero Siege? Start here — game overview, mode selection, first class, and leveling route.

All Builds

Browse all builds by class, scenario, and difficulty to find your starting build.

Frequently Asked Questions

What's new this season?+
Act 9: Ebontharn; Expanded Incarnation Tree; Expanded Ether Tree; New content and storage; More free classes; Abyssal Chest adjustments; Act 9 quest guidance Full patch notes are available in the official Hero Siege announcements.
Do I need a new character for this season?+
Yes, seasonal play requires a new character. Your non-seasonal characters remain unaffected. Seasonal characters can be converted to non-seasonal at the end of the season.