ivory cuz he is in room with tealgreen and i dont think he smash him with fish tanks or he use the slingshot to destroy fish tanks. actually blue? and baby sky are in the pool but they didnt notice anything. so ya i think ivory did
idk if blue was the killer he has 4 elements but the killer use gasoline on pyjamas and blue just use magic to make room fire well its not blue then...
i guess tangerine she the only one who escaped quickly
