Even Useless Superpowers Can Be Developed to the Point of Being Invincible

(Multi-protagonist lineup, my writing is limited, please forgive me, but there are a lot of foreshadowings, the plot guarantees your satisfaction, don't join if you don't like it) A loser who can only talk to supernatural beings can actually become a cross-dressing boss, a loser who can only eat can actually awaken top-level space powers, and a person who can only The kid who plays with guns is actually the terminator of psychics... There is an irreversible curse on the continent of psychics. 99% Of psychics cannot live past 50 years old. The secret of this curse is hidden in the legendary mysterious island. Can they, who are considered useless psychics, enter the mysterious island?