c7b27db1_Borderlands_2_Wiki_Guide___IGN__Description
[Skill] Raving Retribution [Tier] 6 [Levels] 1 [Description] 
While you are on fire, taking damage from enemies will spawn homing balls of fire that seek out the attacker and explode on impact. Fireballs only trigger once per second.
Psycho (Class) - Borderlands 2 Wiki Guide - IGN