Izanagi

For a short while, a fatal blow is rewritten as an illusion and the user returns, whole. The eye goes dark.

Learning it

In the Sharingan tree

Learn after: Copy Wheel Eye: Mirror Jutsu

More from Sharingan

Sharingan

Genjutsu: Sharingan

Sharingan: Foresight

Sharingan: Copy & Store Jutsu

Copy Wheel Eye: Mirror Jutsu