April 25, 2013 Patch

{{Patch layout
 * source = http://www.dota2.com/news/updates/10475/
 * source-title = Dota 2 Update - April 25th, 2013


 * before = April 23, 2013 Patch
 * after =


 * notes =

GAMEPLAY

 * Enabled and  in Captain's Mode (Tournament Version).
 * Enabled, and  in Captain's Mode (Latest Version).
 * : Fixed being purgeable.
 * : Fixed hitbox being too small.
 * Fixed ability giving Slark flying vision.
 * Fixed ability granting passive bonuses to Slark illusions.
 * Fixed an issue causing the ability's passive modifier to not update in the UI, despite being active.
 * Fixed the ability continuing while Slark is dead.
 * Fixed a number of incorrect spell interactions with the ability.
 * counters on both Slark and enemy heroes will show the total duration ( i.e. the time that the most recent stack will expire.)
 * Fixed a number of horizontal movement ability interactions with.
 * : Fixed bonus damage not being applied as base damage.
 * : Fixed not affecting magic immune units.
 * Fixed a number of horizontal movement ability interactions with.
 * : Fixed bonus damage not being applied as base damage.
 * : Fixed not affecting magic immune units.

ECONOMY

 * All Defense Season 2 War Dogs are now Vintage quality.
 * Dota 2 Vintage quality items can now be traded on the Steam Community Marketplace.

WORKSHOP

 * Added HUD Skins to the Workshop Importer.

PERFORMANCE

 * Reduced CPU usage for rendering.

Undocumented changes
}}
 * Added the Spoils of the Bone Ruins Set, The Sea Dragon's Set, and the Sacred Bones Sets.
 * Added Nimble Ben, Kupu the Metamorpher, Porcine Princess Penelope, and The Llama Llama couriers.