March 21, 2013 Patch

{{Patch layout
 * source = http://dev.dota2.com/showthread.php?t=79031
 * source-title = Update Notes - March 13, 2013
 * before = 2013-03-18
 * after = 2013-03-22


 * notes =

GAMEPLAY

 * : Fixed being able to break movement with purge//etc.
 * bonus is removed when there are nearby enemy heroes (instead of just being halved).
 * Reduced enemy detection aoe reduced from 400 to 375.
 * mana cost increased from 150 to 150/160/170/180.
 * AOE reduced from 400 to 350.
 * Fixed not getting removed by  or.
 * : Fixed cast and attack behaviors during.
 * duration reduced from 2.75 to 2.25.
 * cooldown increased from 14 to 23/20/17/14.
 * Fixed debuff getting dispelled.
 * Fixed attack capability getting reset while Magic Immune when is used.
 * Fixed stat drain not affecting Magic Immune units.
 * : damage reduction is now done for all instances of damage that reduce its charges.
 * Disabled speed reduced from 50 to 25.
 * Heal increased from 170 to 250.
 * Cooldown increased from 40 to 60.
 * Heal duration increased from 10 to 20.
 * Fixed being able to drop the item to reset its state.
 * Fixed damage detection threshold on Tranquil's heal.
 * : Disarm is no longer dispelled by Manta.
 * Added to Captain's Mode (Tournament Version).
 * Fixed attack acquisition range on, , , and.
 * Fixed Towers sometimes attacking you too soon when moving out of range.
 * Fixed damage detection threshold on Tranquil's heal.
 * : Disarm is no longer dispelled by Manta.
 * Added to Captain's Mode (Tournament Version).
 * Fixed attack acquisition range on, , , and.
 * Fixed Towers sometimes attacking you too soon when moving out of range.

Bots

 * Added bot.
 * Added bot.
 * Bots that have been hit by multiple stacks of will now contemplate their misfortune further back in the lane.
 * Fixed a bug where bots would try to cast stuns when being wildly out of range.

UI

 * Minimap now displays illusions for spectators.
 * Fixed a bug that caused enemy-created illusions to get added to the original player's multi-hero interface.

Visuals

 * Added in-game models for when the following items are dropped from inventory into the world: and.

EFFECTS

 * Updated visual effects and scaled it with level.
 * Added an effect when is active.

Audio

 * Fixed music volume bug.
 * Fixed a bug preventing heroes from commenting on specific item purchases.
 * Fixed 's ult cast sounds to only play for teammates or nearby enemies that have vision.
 * Added a unique sound for 's orb attack.
 * Added sound to purge.
 * Various mix tweaks across creeps, ui and the tutorial quest sounds.

Workshop
}}
 * Disabled browsing & submitting in the Test Client, but allowed imports for testing purposes.
 * Submissions now have the option of including a PSD containing marketing materials for the submission.
 * Added 's Hawk and 's Bear to the Ability Import list.
 * Attack animations now describe the animation timing required for the attack to match the character using them.
 * changes =
 * Added in-game models for when and  are dropped.
 * Added the following hero equipment sets:
 * Weight of Omexe Set for
 * Dead Winter Set for
 * Ancestors' Pride Set for
 * Armor of the Sanguine Moon Set for
 * Empowered Vestments of the Gods Set for
 * Heavy Armor of the World Runner Set for
 * Bindings of Enduring Torment Set for
 * Added the Snowl courier.