Overshield Feature effects
Overshield completely negates the next incoming source of damage and covnerts it into a large explosion. Targets:
AOE, Self (Ego/Superego/Id) Effects:
If the caster is hit by any "external" damage while Overshield is active, that damage and any accompanying status effects are ignored; Overshield deactivates and then triggers an explosion with heavy knockback and a non-zero amount of damage. The caster of Overshield takes no damage from the explosion but should be subject to knockback.
"External damage" would be: other spells, Mobs, Players, splash potio