You become obsessed with one Survivor.
Earn a token for each successful basic attack that is not dealt to the Obsession.
Each token grants a stackable 5% decreased successful basic attack cooldown, you can earn up to 8 tokens.
Hitting your Obsession with a basic attack will cause you to lose 4/3/2 tokens.
You can no longer gain tokens if your Obsession is sacrificed or killed.