Counter I is an active skill in AION Classic 5.0. The Revenant learns it from level 1. It recharges in 12 s.

Learned by

Class	Faction	Character level	Skill level
RevenantLearned automatically	Both factions	1	1
RevenantLearned automatically	Both factions	7–14	2–9
RevenantLearned automatically	Both factions	71–75	10–14

Taught by

Item	Skill level
Counter IUniversal (Skill Book)
[Event] Counter IUniversal (Skill Book)