Twilight Scythe
Hidden Effect
Deals Melee damage that sets Damage Types modifiers to 1.0 on enemies. Bypasses "Physical Immunity" and "Physical Shield" effects. Will also Bypass some but not all "Physical absorb" effects. (Effect not active during weaponskills).
Might be the reason he didn't toss it? Or, you know, because this screenshot was taken as soon as he got Apoc? >.>