Old Abilities
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Mark of the Abyss (6.24-6.33)[]
Ability
Target Unit
Target Unit
Affects
Enemies / Allies
Enemies / Allies
Marks a target unit for 20 seconds. All units that attack it will gain a temporary attack speed boost and a 10% movement speed boost.
Cast Range: 1000
Attack Speed Bonus: 15/30/45/60
Movement Speed Bonus: 10%
Mark Duration: 20
Speed Bonus Duration: 4.5
Mark of the Abyss (Pre 6.24)[]
Ability
Target Unit
Target Unit
Affects
Self / Enemies
Self / Enemies
Marks a target unit, binding Abaddon to it. Abaddon will gain a boost in attack speed. He cannot stop attacking until either he or the mark die.
Cast Range: 1000
Attack Speed Bonus: 25/50/75/100
Duration: Until either die
- This ability got reworked in the 6.24 gameplay patch.
- Abaddon cannot be controlled until he or the target dies. The target is not disabled and can act freely.
Curse of Avernus (6.33-7.20)[]
Ability
Passive
Passive
Affects
Allies / Enemies
Allies / Enemies
Abaddon strikes an enemy with chilling curse on each attack, causing all units who attack the slowed enemy to gain increased movement speed, along with faster attack speed, for a limited time.
- This ability got reworked into the current Curse of Avernus in the 7.20 gameplay patch.
- On each successful attack, Abaddon places a debuff on the target which slows them.
- The attacks first apply the debuff, then their own damage.
- Every allied unit which starts attacking a unit which has the Curse of Avernus debuff on, gets the speed increasing buff.
- This means it does not matter if Abaddon is still attacking the unit. As long as a unit has the debuff on, allies get the speed buff upon attacking it.
- The speed increasing buff is not applied on buildings, wards or enemies attacking a debuffed unit.
- Abaddon himself always gets the speed increasing buff upon starting an attack, regardless of the debuff, except when the attack target is a building.
- However, after having placed the debuff on a building, Abaddon gets the buff like how allies do upon attacking it.
- Successive attacks on the same target do no stack, but refresh the duration instead. This goes for the buff and debuff.
- Choosing the slow upgrading talent does not affect any of Abaddon's currently placed Curse of Avernus debuffs.
Frostmourne (Pre 6.33)[]
- This ability got reworked into the Curse of Avernus (Pre 7.20) in the 6.33 gameplay patch.
- Frostmourne is a Unique Attack Modifier, and does not stack with other Unique Attack Modifiers.
- Successive attacks with Curse of Avernus do not stack, but refresh the duration instead.