Board Thread:Questions and Answers/@comment-35384618-20180501011424/@comment-32773377-20180501011645

He basically has a chance to take all hits as if he were getting hit by an Extreme PHY type (since he is Super STR, he will take 2.0x less damage from Extreme PHY, so when his guard is active, he'll take the reduced damage.) Of course, it's not guarenteed, so watch out.