Innate Spellcasting. The hag's innate spellcasting ability is Charisma (spell save DC 12). She can innately cast the following spells, requiring no spell slots:
Magic Resistance. The hagraven has advantage on saving throws against spells and other magical effects.
Multiattack (hybird form only). While in her raven form the hagraven can attack twice with her claws. Claws. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 13 (2d8 + 4) slashing damage. Change Shape (hybrid form). The hagraven magically polymorphs her arms and claws into ravens wings, or back into her true form. Her statistics are the same in each form, she cannot use spells while in this form, any spell she is already concentrating on remains unaffected however. While in this form she gains a flying speed equal to her movement speed and, while flying, can attack twice with the claws on her feet. Change Shape (raven form). The hagraven magically polymorphs into a flock of ravens, or back into her true form. Her statistics are the same in each form, she cannot use spells while in this form, any spell she is already concentrating on remains unaffected however. While in this form she gains a flying speed equal to her movement speed and, while flying, gains resistance to bludgeoning, piercing and slashing damage.