c7b27db1_Borderlands_2_Wiki_Guide___IGN__Description
[Skill] Fuel the Fire [Tier] 1 [Levels] 5 [Description] 
Kill Skill. Killing an enemy increases your chances of causing Elemental Effects. Chance to light yourself on fire when igniting an enemy.
Psycho (Class) - Borderlands 2 Wiki Guide - IGN