That's not what his ability is by the description, it's the other way around. He percieves the attacks as non attacks, which means he can't do that to an attack he can't percive.
"When kicked in the face, he perceived it as nothing more than a mosquito bite. Even if an attack is powerful enough to damage him, it does not mean it will effect him. He was stabbed full of swords, but perceived it as no more than acupuncture, so he took no meaningful damage despite the sword sticking into him. He was struck with massive bolts of electricity, but he perceived it as nothing more "Low Grade Electra-Shock Therapy," so it dealt no damage and only managed to relax him. "