WYR choose a weak power but have to fight a weak creature to keep the power or fight a powerful creature for your power but the power is extremely op

Option 1: u get relatively weak powers like 3 inch increase in height,+10 iq,40 lbs added to ur bench, have increased memory, but to recieve it you have to fight a low level monster like a dog sized 2 headed chicken.

Option 2: u get a super op power like reality manipulation or comic superman strenght and speed, but u have to fight a galaxy destroying eldritch horrors who have been around for thousands of years.

In both scenarios if you die in the trial you die in real life, butif u defeat them you will return to earth exactly where u left off with you new powers.