Blood Rune I is an active skill in AION Classic 5.0. The Assassin learns it from level 13. It recharges in 60 s.

Learned by

Class	Faction	Character level	Skill level
AssassinLearned automatically	Both factions	13	1
AssassinLearned automatically	Both factions	35–42	2–9
AssassinLearned automatically	Both factions	71–75	10–14

Taught by

Item	Skill level
Blood Rune IAssassin (Skill Book)
[Event] Blood Rune IAssassin (Skill Book)