When a priest casts Sunray, he bathes himself in a protective ray of sunlight.
In-game description Edit
When this spell is cast, it causes a ray of sunlight to beam down upon the caster and everyone within a 20-ft. radius. All creatures within the area of effect take 3d6 points of damage and must save vs. Spell or be blinded for 1 turn. Undead that are hit by the sunray take 1d6 damage per level of the caster, and must save vs. Spell or be destroyed.