threadhopping Ask first, open posts and logs only.
fourthwalling Do not.
off-limits Assuming pre game knowledge without prior discussion.
IC permissions
physical contact Depends on how close he is with you, friends and family highly encouraged, acquaintances and strangers please don't.
mental contact Please ask ooc before. He will NOT like it, but he has no strong defense. He is an absolute mess, so consider this for contact.
fighting/injury fighting is fine, so long as there is a reason, don't just start out punching him if he hasn't earned it. Injury is fine within reason, but larger damage/broken bones/lost limbs ask first for now.
death Not impossible, but absolutely must plan first.
MAGIC permissions
form changing Within reason, always ask first, though unlikely to be no.
hypnosis Always ask first, Giorno has strong will and mind.
ailments Minor allowed, major requires ooc talk.
illusions Allowed, he is smart and capable of logicing, but can be caught in illusions.
other Welcome to being affected by other kinds, just talk first!