Whenever a creature makes an attack roll against you before the spell ends, the attacker subtracts 1d4 from the attack roll.
The target takes an extra 2d8 Radiant damage from the attack. The damage increases by 1d8 if the target is a Fiend or an Undead.
Using a Higher-Level Spell Slot. The damage increases by 1d8 for each spell slot level above 1.
A shimmering field surrounds a creature of your choice within range, granting it a +2 bonus to AC for the duration.