Up to +5-20% Strength based on the charge time of your heavy attacks. Stacks 3 times.
+5-8% Strength for 4.5s on Kill. Stacks 5 times.
Weapons
Crucis Mk II Thunder Hammer
Artemia Mk III Purgation Flamer
Feats
5 - I like extra toughness on kill
10 - Punishment helps with horde clear and gives more stagger to your attacks
15 - Benefits whole team passively
20 - Gives health when you really need it once until death procs
25 - Emperor's Executioner for extra Flamer damage but take Rising Conviction if you want more melee damage
30 - Extra utility or attack speed