If double ability, double Ego points. Items against Characters When an item has an Ego of its own, it has a will of its own. Similarly, any item with an Ego score of 20 or higher always considers itself superior to any character, and a personality conflict results if the possessor does not always agree with the item. If the possessor succeeds, she is dominant. If she fails, the item is dominant.
Dominance lasts for one day or until a critical situation occurs.
The character divesting herself of all other magic items or items of a certain type. Obedience from the character so the item can direct where they go for its own purposes. Immediate seeking out and slaying of creatures hateful to the item. Magical protections and devices to protect the item from molestation when it is not in use. That the character carry the item with her on all occasions.