Anticipating the arrival of mortal forces invading the Tomb of Sargeras, Kil'jaeden has called on his best captors, Atrigan and Belac, to lock down the interlopers and prevent them from using the Pillars to advance deeper into the dungeon.

• Overview – Atrigan and Belac share health.
  Both Atrigan and Belac's abilities all inflict [Torment]. Reaching full [Torment] results in [Unbearable Torment].

  • Damage Dealers – 
    [Confess] when at full [Torment] to collect Remnants of Hope from Belac's cage and alleviate [Unbearable Torment].
    Avoid attacking Atrigan and Belac during [Bone Saw] and [Fel Squall] respectively, so you don't incur additional [Torment].
  • Healers – 
    [Confess] when at full [Torment] to collect Remnants of Hope from Belac's cage and alleviate [Unbearable Torment].
    Stagger dispelling [Echoing Anguish] so as not to inflict the raid to too many instances of [Anguished Outburst] at once.
  • Tanks – 
    [Confess] when at full [Torment] to collect Remnants of Hope from Belac's cage and alleviate [Unbearable Torment].
    Coordinate with the other tank so only one has to [Confess] at a time.
    Avoid attacking Atrigan and Belac during [Bone Saw] and [Fel Squall] respectively, so you don't incur additional [Torment].
• Torment – Torment increases when attacks and abilities from Atrigan and Belac strike players. Players that reach full Torment are afflicted with Unbearable Torment and must Confess in order to remove the effect.

  • Unbearable Torment – The inquisition has broken you. All damage done is reduced by 20%, your chance to hit is reduced by 90% your healing done is reduced by 25%, and all damage taken is increased by 90%.
  • Confess – You confess your actions against the Legion to the demonic inquisition and are transported into Belac's fel prison.
• Atrigan 
  

  • Bone Scythe – Atrigan wields a Bone Scythe. All attacks made by Atrigan apply 2 Torment.
  • Scythe Sweep – Atrigan swings his mighty Bone Scythe, inflicting 975000 to 1025000 Physical damage and 20 Torment to all enemies in front of him.
  • Calcified Quills – Causes a barrage of spikes to emerge from the ground in a cone towards a player. Players hit by a spike suffer 1387500 to 1612500 Physical damage and are knocked into the air.
  • Bone Saw – Inflicts 1000000 Physical damage and 4 Torment to nearby enemies every 1 sec. Atrigan's movement speed is slowed by 75%. Attacking Atrigan during Bone Saw causes the attacker to gain Torment.
• Belac 
  

  • Echoing Anguish – Belac targets multiple players with phantasmal torture devices, which inflict 250000 Shadow damage and 2 Torment every 1 sec for 12 sec. When this effect is removed, nearby players are struck by Anguished Outburst.

    • Anguished Outburst – Tormenting energy bursts forth from the affected player, inflicting 975000 to 1025000 Shadow damage and 10 Torment to players within 8 yards.
  • Suffocating Dark – Shrouds a random player in suffocating darkness, inflicting 350000 Shadow damage and 8 Torment every 1 sec, and slowing movement speed by 50%.
  • Tormenting Burst – Tormenting energy explodes out from Belac, inflicting 292500 to 307500 Shadow damage and 10 Torment to all players.
  • Fel Squall – Inflicts 1000000 Fire damage and 4 Torment to nearby enemies every 5 sec. Attacking Belac during Fel Squall causes the attacker to gain Torment.
  • Shadow Bolt Volley – Hurls a bolt of dark magic at an enemy, inflicting 323750 Shadow damage.
• Tormented Fragment – When prisoners escape Belac's cage these fragments of the Tormented Soul abscond alongside them.

  • Harrowing Reconstitution – As the Tormented Fragments attempt to reform their thrashing increases in intensity. All damage done by all Tormented Fragments is increased by 15% whenever a new Fragment escapes Belac's cage.
  • Explosive Anguish – Tormented Fragments violently release all their pent up torment and anguish upon death, inflicting 1950000 to 2050000 Shadow damage to all enemies within 10 yards.

  https://www.youtube.com/watch?v=7GB071_cQlA