>>40708496
Patchouli Knowledge, by far, it's not even close
She's a nerdy, unhealthy, arguably unwashed hikkineet shut in like me, who spends all her time indulging in her hobbies and passions. She sometimes wanders outside of her domain (her library) but those ocassions are rare, much like me leaving my room.
She's also a very skilled magician who's lived for hundreds of years and has very high domain over elemental magic, although she's weak physically which prevents her from casting spells for too long