December 17, 2015 Patch

{{Patch layout
 * source =
 * source-title = Dota 2 Update - December 17th 2015
 * before = 2015-12-16
 * after = 2015-12-18
 * changes =
 * Change {{Hero ID|Arc Warden}} from Radiant side to Dire side.
 * Fixed {{Item ID|Vladmir's Offering}} cost from 2325 to 2300.
 * Fixed {{Item ID|Ring of Basilius}} cost from 525 to 500.
 * Fixed {{Hero ID|Doom}}'s {{Ability ID|Infernal Blade|Doom}} applying to spell immune units.
 * Fixed a bug with {{Hero ID|Faceless Void}}'s {{Ability ID|Time Walk|Faceless Void}}.
 * Fixed Tempest Helm of the Thundergod death animations.
 * Updated numerous tooltips.

Wards

 * Distributed to winners of the 2012 Polycount Contest.

}}