List of arcane abilities

Druid

 * Moonfire
 * Burns the enemy for 189 to 221 Arcane damage and then an additional 384 Arcane damage over 12 sec.
 * Starfire
 * Causes 496 to 584 Arcane damage to the target.

Hunter

 * Arcane Shot
 * An instant shot that causes 183 Arcane damage.
 * Concussive Shot
 * Dazes the target, slowing movement speed to 50% of normal for 4 sec.
 * Flare
 * Exposes all hidden and invisible enemies within 10 yards of the targeted area for 30 sec.
 * Hunter's Mark
 * Places the Hunter's Mark on the target, increasing the Ranged Attack Power of all attackers against that target by 110. In addition, the target of this ability can always be seen by the hunter whether it stealths or turns invisible. The target also appears on the mini-map. Lasts for 2 min.
 * Volley
 * Continuously fires a volley of ammo at the target area, causing 80 Arcane damage to enemy targets within 8 yards every second for 6 sec.

Mage

 * Arcane Explosion
 * Causes an explosion of arcane magic around the caster, causing 243 to 263 Arcane damage to all targets within 10 yards.
 * Arcane Missiles
 * Launches Arcane Missiles at the enemy, causing 230 Arcane damage each second for 5 sec.
 * Counterspell
 * Counters the enemy's spellcast, preventing any spell from that school of magic from being cast for 10 sec. Generates a high amount of threat.
 * Polymorph
 * Transforms the enemy into a sheep, forcing it to wander around for up to 50 sec. While wandering, the sheep cannot attack or cast spells but will regenerate very quickly. Any damage will transform the target back into its normal form. Only one target can be polymorphed at a time. Only works on Beasts, Humanoids and Critters.

Priest

 * Starshards (Night Elf Only)
 * Rains starshards down on the enemy target's head, causing 936 Arcane damage over 6 sec.