School Me Once...

 is a Defense Perk that can be equipped in MultiVersus.

How to Unlock
Reach Mastery Level 11 with Taz (Closed Alpha only).

Solo
Your team receives a projectile block buff for 2 seconds after being knocked back by a projectile.

Stacked
Your team receives a projectile block buff for 4 seconds after being knocked back by a projectile.

Trivia

 * This Perk was originally known as Projectile Block.