A passive ability is any spell which grants an effect that is always on and automatically works without needing to be cast. Most passive abilities have no cost required, and some passives may include an additional active component.
Passives given after Transformation
These passives are only granted after transforming, and cannot be used when turned back to normal.
|Dragon Knight||Elder Dragon Form||Corrosive Breath|
|Undying||Flesh Golem||Plague Aura|
Passives with an active component
|Abaddon||Borrowed Time||Can be manually activated|
|Drow Ranger||Precision Aura||Can be cast to add the bonus to ranged creeps|
|Slark||Shadow Dance||Can be cast to gain invisibility for a short time|
|Spirit Breaker||Empowering Haste||Can be cast to increase the bonus for a short time|
Passive Innate Abilities
These passives are always available even without any skill points.