Argent Priestess

The Argent Priestess is one of three adds who appear along with either Eadric the Pure or Argent Confessor Paletress in the 5-man dungeon, Trial of the Champion, which was introduced in patch 3.2.0 at the Argent Tournaments Trial of the Champion.

Abilities

She has two or three attacks and should be dealt with first in each pack to prevent her heals keeping the fight going longer than it has to;

Fountain of Light — Creates a Fountain of Light that heals nearby friendly units for 45 sec or until it is destroyed.
Heal — Heals an allied target for (X) damage - interruptable.
Holy Smite — Deals (X) Holy Damage to the target - interruptable.
Mind Control — Take control of a target humanoid's mind for 8 sec.
Sacred Shield — Each time the target takes damage they gain a Sacred Shield, absorbing 500 damage and increasing the paladin's chance to critically hit with Flash of Light by 50% for up to 6 sec. They cannot gain this effect more than once every 6 sec. Lasts 6 sec.
Shadow Word: Pain — Utters a word of darkness, inflicting Shadow damage to an enemy every 3 sec. for 15 sec.