Hero Siege

Panic Art Studios · RPG

Hero Siege patch notes · Aug 18, 2026

Experiment

Hero Siege - Ebontharn and Season 10

What's new in Hero Siege - Ebontharn and Season 10: 24 changes to Hero Siege, released Aug 18, 2026.

Balance · 2

  • Odyssey Buffs now translate to offline play, and Odyssey gains 40% more ore from mining, with Gold Find no longer having diminishing returns.

    odyssey buff
  • Nightmare difficulty is now equivalent to Hell 1, and Hell difficulty is approximately Hell 4.5, followed by Inferno.

    difficulty tier

Content · 6

  • Act 8 has been made free and is now part of the natural progression.

    act 8
  • Countless side zones have been added throughout the acts to extend progression.

    side zone
  • 24 new unique items are available to obtain.

    unique item
  • Over 600 new nodes have been added to the Incarnation tree.

    incarnation tree
  • Season 10 has launched, introducing Ebontharn and its mysteries.

    new season
  • Over 100 new nodes have been added to the Ether tree.

    ether tree

System · 1

  • It is now possible to guarantee mechanics from the Ether with sufficient investment into their respective trees.

    mechanic

UI · 2

  • New free Relic Storage has been added to the inventory, allowing relics to be swapped at any time.

    relic storage
  • The Tarethiel Market filter has been re-worked.

    tarethiel market

Fix · 3

  • Zone generation has been optimized and is now significantly faster.

    zone generation
  • Data handling back-end code for skills and monster collisions has been rewritten, resulting in significantly increased combat FPS.

    combat performance
  • Monster AI has been completely reworked for performance increases, making monsters more aggressive and preventing them from getting stuck.

    monster ai

General · 1

  • Changes are being made to Odyssey.; Campaign progress to endgame has been expedited, with waypoints retained in Nightmare after finishing Normal.; The final patch notes are available at the provided link.; Hero Siege Season 10 is coming soon.

    general

Also in this patch9

  • Act 9, named Ebontharn, is a new act that is free and part of the base game, accessible after defeating Odin in Act 8.

    new act
  • EXP buffs are being implemented in an upcoming patch.

    exp buff
  • Three new Uber Bosses have been added: Phantom Leviathan, Captain Grimtide, and the Blood Maiden.

    new uber boss
  • A new paid Tarot Card Inventory tab is available, where each slot holds one of each Tarot Card and duplicates automatically stack.

    tarot card inventory tab
  • Several class bug fixes are included in the upcoming patch.

    class bug fix
  • A new seasonal mechanic called Abyssal Chest has been introduced, which spawns levers to summon dangerous mobs and culminates in a scaled final encounter.

    seasonal mechanic
  • The Marauder, Plague Doctor, Shield Lancer, and Jötunn classes are now free and part of the base game, with premium skins for DLC owners.

    class
  • The Ether points system is receiving buffs in an upcoming patch.

    ether points system
  • Nightmare buffs are coming in an upcoming patch.

    nightmare buff