use it while on a vehicle will result in an error message.
Wrath-Logo-Small Patch 3.2.0 (04-Aug-2009): Error message when no targets are in range has been changed to "Out of Range."
Wrath-Logo-Small Patch 3.1.0 (14-Apr-2009): Now also increases all damage done by the rogue while active by 20%.
Wrath-Logo-Small Patch 3.0.8 (2009-01-20): This ability no longer breaks stealth if it fails due to all targets being out of range.
Wrath-Logo-Small Patch 3.0.3 (04-Nov-2008): Instead of making the rogue untargetable, now causes all players to lose targeting on the rogue and the rogue to be unstoppable during its duration.
исходя из патчноутов и цитаты с воввики
While Killing Spree is active, all enemies will de-target the rogue, practically rendering the rogue immune to direct damage abilities. Note that Area of Effects and existing Damage over Time debuffs will still hit the rogue.
на рог под КСом должны действовать только АоЕ контроли. Такие как пристовский/локовский/варовский масс фиры и т.д.
http://www.wowwiki.com/Killing_Spree