Whenever a creature is attuned to the Staff of Magnus and the Tome of Magnus at the same time, the spells gained from the Staff become inscribed within the pages of the Tome.
Whenever a creature is attuned to the Staff of Magnus in the presence of the Eye of Magnus, all damaging spells cast through the Staff of Magnus deal 2d12 more damage.
Whenever a creature is attuned to the Tome of Magnus in the presence of the Eye of Magnus, the spell Wish becomes inscribed within the pages of the Tome.
Whenever a creature is attuned to the Staff of Magnus and the Tome of Magnus at the same time, in the presence of the Eye of Magnus, damaging spells ignore resistance and the spell Fingers of the Mountain becomes inscribed within the pages of the Tome. You gain 1 10th Level spell slot with which to cast the spell.