September 25, 2015 Patch

{{Patch layout
 * source = http://store.steampowered.com/news/18555/
 * source-title = Dota 2 Update - September 24, 2015
 * source2 = http://www.dota2.com/685
 * source2-title = Gameplay Update 6.85
 * before = September 23, 2015 Patch
 * after = September 25, 2015 Patch
 * notes =
 * changes =
 * Fixed {{Hero ID|Oracle}}'s {{Ability ID|Fortune's End|Oracle}} interactions.
 * Fixed not being able to dominate Seige Creep Units.
 * Updated {{Ability ID|War Drums Aura|Ancient Thunderhide}} icon.
 * Added ignore function for regional chatrooms.
 * Added regional chat channels for China.
 * Numerous minor tootip fixes.

Economy
}}
 * Treasure of the Burning Grove and Might of the Galloping Avenger contribution to ESL One New York 2015 increased from 10% to 15%.