Divine Shield

A target within range has a shimmering golden bubble of energy surround them.

This shield becomes physical, moving with the target, and lasts until the target is successfully struck from an attack. The bearer of this diving shield can survive any amount of damage once while this shield is active. 

The shield can reduce any single amount of damage to zero, absorbing the attack completely, before blinking out of existence. There is no threshold to the amount of damage that this shield can reduce but can only absorb the damage from a single attack. (Should a single attack deal damage more than once, only the first amount of damage dealt is negated.)

The shield cannot be removed physically, but can be dispelled, and does not protect more than one creature.

Any successful attack will remove this buff, no matter the damage or damage reduction done by other means; while this shell is active no other damage reduction is considered active and only AC and AC related effects determine if the protective shell is hit with a successful attack.