You may cast all Shadowheart spells at max spell level. You may only do this once per spell per long rest. With the exception of Shadowheart Rejuvenation.

Item can take the form preferred by the one it attunes to but cannot be a weapon, shield, or clothing.

This item was my creation. Shadowheart and Shadowheart spells were created by u/Dracovich of Reddit for The Shadowheart Apocrypha

Picture created with Dream app.

Notes: Bonus: Magic, Bonus: Ranged Spell Attacks, must know at least four Shadowheart spells