All Might's weakened form is revealed on live television to be a result of the impact he took from All For One. Everyone is cheering for All-Might to win, he uses the muscle from his right arm as a decoy while putting One for All in his left side; the Pro Heroes extract the wounded and unconscious so All-Might can use all of his power.
From the anime My Hero Academia, All Might (Weakened), as a stylized Pop vinyl from Funko! Pop My Hero Academia All Might Weakened Vinyl Figure #371 stands 3 3/4 inches tall and comes in a window display box. Collect them all!