Memory of Maliketh, the Black Blade, etched into the Erdtree.

The potential of its namesake can be unlocked by the Finger Reader.

Alternatively, it can be employed to amass a substantial abundance of runes.

Maliketh was a shadowbound creature bestowed upon his Empyrean. Marika's only requirement for her shadow was a vessel to imprison Destined Death. Even so, she betrayed him.