Arraetrikos

Arraetrikos is the raid boss of the Shroud, is encountered in phase 4 and phase 5 of the raid.

Arraetrikos

 * CR 28/33/38 on Normal/Hard/Elite
 * Lawful Evil Pit Fiend (Lawful Evil Outsider)
 * HP Incredible - Estimated around 350,000/700,00/1 Million+ (Normal/Hard/Elite)
 * AC 39/45/51 (Normal/Hard/Elite)
 * 50% Fortification on Normal, Hard, and Elite (tested)
 * DR 15/Silver+Good, this increases on Hard/Elite setting (Hard 25?, Elite 34-35) (tested)
 * Immunity to fire and poison
 * Resistance to acid 10 and cold 30 (Normal), roughly ~50 point on Elite
 * No resistance to electricity and sonic (confirmed)
 * Evasion (Hard/Elite only)
 * SR 36/38/42 depending on difficulty

Melee

 * Attack Bonus: 47.6/??/65.4 on Normal/Hard/Elite (tested)
 * 60-100ish melee damage per hit. Does 2 hits per swing on some attacks on Normal, on all attacks on Elite.
 * Pit Fiends' melee attacks also have poison and disease effect as following:
 * Posion Injury: Fortitude DC 32, initially 1d6 Con damage, secondary death.
 * Devil Chills disease: Fortitude DC 32, 1d6 Str damage.
 * Some sort of True Seeing ability (it has been reported Blur didn't stop single attack)

Spells Known

 * Delayed Blast Fireball: 240-260/270-290/320-360 fire damage on Normal/Hard/Elite
 * Meteor Swarm: 4x 60-90 fire damage (needs modified roll of 32 or higher to save on Normal, is mitigated by fire resist), 4x 20-30 bludgeon damage (no save, unaffected by DR)
 * Teleport: teleports random player into his melee range (only on phase 5) DC ~28 Normal