Deadly Juggernaut

Action: 1 / Traget: Self / Range: N/A / Save: N/A
Mats: V,S / Duration: 1min/lvl
Whenever making a melee killing blow on a target
greater than or equal to Your Hit Dice-4, gain +1
Luck to attack, melee dmg, all STR checks, and
DR 2/- (Max +5 and DR 10/-).