Sharingan: Copy & Store Jutsu
For 10 seconds your Sharingan reads whoever you're locked on to (it locks on to your target if you aren't): the first nature release jutsu they cast is copied. Cast it yourself with the Cast Copied Jutsu key (I), for twice its chakra.
Learning it
In the Sharingan tree
Learn after: Genjutsu: Sharingan
