This page contains a short overview of all Event Bosses in game. These bosses are considered Raid Bosses since it takes more then a party of 5 players to down them.
Opening of The Gates of Ahn'Qiraj[]
Colossus of Ashi[]

Colossus of Ashi
Location: Silithus
Raid 40
One of the three Silithid Colossi that spawn in the Silithus hives during the Ahn'Qiraj event. Reports about these bosses point to very long fights. They hit for 10.000 damage on cloth and use a 5.000 damage AoE knockback. If you happen to survive the knockback, odds are the fall with kill you.
Colossus of Regal[]

Colossus of Regal
Location: Silithus
Raid 40
One of the three Silithid Colossi that spawn in the Silithus hives during the Ahn'Qiraj event. Reports about these bosses point to very long fights. They hit for 10.000 damage on cloth and use a 5.000 damage AoE knockback. If you happen to survive the knockback, odds are the fall with kill you.
Colossus of Zora[]

Colossus of Zora
Location: Silithus
Raid 40
One of the three Silithid Colossi that spawn in the Silithus hives during the Ahn'Qiraj event. Reports about these bosses point to very long fights. They hit for 10.000 damage on cloth and use a 5.000 damage AoE knockback. If you happen to survive the knockback, odds are the fall with kill you.
Lieutenant General Nokhor[]

Lieutenant General Nokhor
Location: Silithus, Tanaris
Raid 40
General Rajaxx's right hand man, Nokhor led the attack on Silithus and Tanaris when the Gates of Ahn'Qiraj were opened. Reports say that he uses Mortal Strike, and a deadly AoE knockback. He has an high chance to drop extremely rare world drops.
Lunar Festival[]
Omen[]

Omen
Location: Moonglade
Raid 40
A demigod blessed by Elune, Omen was once a staunch ally of the Night Elves. However, during the War of the Ancients, his sanity was shattered, and he turned against his allies. He rampaged across the land until finally being defeated in the village of Nighthaven. However, despite his insanity, he still carries the blessing of Elune, and as such is immortal. And every year, during the Lunar Festival, he rises again. He has a deadly AoE Starfall that deals large amounts of Arcane damage.