User blog comment:BandicootBro/How to give your character proper weaknesses./@comment-11848168-20150215041245

you missed psychological weaknesses. I always thought they were the most important. People can adapt to the elements, strengthen and cover their weaknesses, and harness items without fatality. People tend to be stuck with their psychological weaknesses. The inability to kill, PTSD, depression, all require one to takes laps to Hell and back to conquer.