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Is there a point where Cale really gets hurt? I'm at the part where he was protecting their territory from monster horde attack with a barrier and the peeps around realize that Cale was using Raon's power.

He would spit out blood but he doesn't really feel hurt because he's being healed by the heart thing. Is there a point in later chapters that he does really feel pain and others take revenge for him? I feel he's way way overpowered now in the novel.

Sorry, if description or my question is hard to understand. I haven't read the novel for a long time now.