Fuel the Blood is a tier 3 skill in Krieg's Bloodlust skill tree. It increases the number of Bloodlust stacks he can obtain with melee kills, and grants more stacks of bloodlust per melee kill.


Kill Skill. Killing an enemy with a melee attack gives +0.2% (+0.2% per level) Grenade Damage per Bloodlust stack per level for a short time and adds +2 Bloodlust stacks per level.

Level 1 2 3 4 5
Grenade Damage Per Bloodlust Stack +0.2%+0.4%+0.6%+0.8%+1.0%
Bloodlust Stack +2+4+6+8+10
Level 6 7 8 9 10 11
Grenade Damage Per Bloodlust Stack +1.2%+1.4%+1.6%+1.8%+2.0%+2.4%
Bloodlust Stack +12+1416+18+20+22

Can only be leveled past 5 with Blister, Sickle, and Legendary Sickle class mods.


  • Works well with Buzz Axe Bombardier and Taste of Blood; because the normal melee attacks activate this Kill Skill, the additional stacks of Taste of Blood and Fuel the Blood will strengthen the explosive damage of Buzz Axe Bombardier and the melee damage of the Buzz Axe.

Krieg Skills
Buzz Axe Rampage
Bloodlust Mania Hellborn

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