+5-8% toughness on Chained Hit.
Hitting at least 3 enemies with an attack, restores 12-15% toughness.
+5-8% Strength for every shot fired during continuous fire. Stacks 5 times.
Your Grenades stick to Ogryns and Monstrosities. +6-15% Damage vs Ogryns and Monstrosities
The curiosities can also be changed to toughness, but I wouldn't take more than 2 of them.