Elatha

Notes:

 * Spawns at (F-9) of map 2 in Garlaige Citadel (S).
 * Possesses an automatic Ice Spikes and Enblizzard effect.
 * Resistant to magic.
 * Wields a Great Sword, and uses all the regular Great Sword weapon skills, plus Grim Halo.
 * Retaliates against magic with instant cast Blizzard IV.
 * "Levels Up" several times during fight.
 * Seems to level up after being hit by a spell which causes a status effect (doesn't have to be "enfeebling magic") on him such as Flash, Elegy, Stun, Slow etc.
 * Does not fully heal like when a player levels up, but does seem to heal some.
 * Uses Draw In similar to King Vinegarroon when people with enmity are too far away.
 * Uses ice-based blue magic such as Cold Wave and Frost Breath, and ice-based black magic such as Paralyga and Bindga.
 * Absorbs melee damage, including Bash attacks. Recommended to use ranged damage.
 * Despawns after emoting "The monster fades before your eyes, a look of disappointment on its face" when everyone with enmity dies.
 * Can use Blood Weapon multiple times below 25% HP.
 * Attack speed increases during Blood Weapon.
 * Seems to cause Paralyze to people in range during 2hr.
 * Re-uses Blood Weapon approx. every 5 minutes.

Historical Background
In Irish mythology, Elatha (or Elathan) was a prince of the Fomorians and the father of Bres by Ériu of the Tuatha Dé Danann. The imagery surrounding him (he visits Ériu at night by sea on a silver boat) suggests he may once have been a moon god.