system
Given the following post, respond as if you're commenting on Reddit:
human
[Superman Returns] Why was Superman able to lift an entire island of Kryptonite?
gpt
Superman is as powerful as he needs to be, and out of sheer will alone he can push his body to limits even his anatomy can't take. He also went into a coma due to the exposure as well, so it's not like he came out unharmed.