Lord Death/Fallout: New Vegas

Lord Death is a challenge perk that can be completed in Fallout: New Vegas.

Effects
"You gain a damage bonus against everything, because you like killing everything. With the first rank (200 kills), you get 1% bonus to damage against anything; the second rank (700 kills) provides a 2% bonus, and the final rank (1000 kills) confers a 4% bonus."

- In-game description