Agatha Harkness

Agatha was recruited by Mystique to help Wanda, recently freed from a mental institution, to develop and control her powers. Later, after Mystique was turned into stone in freeing Apocalypse, Nightcrawler sought her out in hopes of of helping his mother. Agatha admitted that there was nothing she could do, but revealed that Rogue might have the ability to change Mystique back with her powers.

Origin
Agatha Harkness is a centuries old witch and possesses a great mastery of magic. Her remarkable talents already soon led to her meeting the Fantastic Four. She lived in a home on Whisper Hill, until it was destroyed during a fight.

Power and Abilities
She is a witch, and possesses a great mastery of the mystic arts. She can also create illusions, move objects, project force-fields and thoughts, and teleport. Agatha Harkness' mystic abilities are so vast, that she is 1/3 the Earth's High Priestess, a title that she shares equally with her former student, Scarlet Witch, and X-man, Storm. Her title of High Priestess, and a slight hint from Wanda, suggests that Agatha may still be alive.

Her pet cat, Ebony, can transform into a mystical panther and is very dangerous.