Originally posted by cdtmIts mentioned by Rocket on how being weak the fusion cannon would ko him but at full power it would hve no effect.
No real proof his weakness affected his durability, though.He's not like Superman, where his durability depends on how charged up he is.
Good point about Drax having a unique effect on Thanos. This is true, but there was also a green aura when that power was in effect during Annihilation.