To find this place, go to Uldum, southeast part off the coast.     Item level 272 required.

Grand Vizier Ertan

• Lightning Bolt - Nature damage

Notes:

• Whirlwinds 30 yards around him, stand within to avoid damage and debuff
• Every 40 seconds or so, Whirlwinds collapse in, heal through or run out

Altairius

• Chilling Breath - 30K frost damage frontal cone
• Upwind of Altarius - Standing upwind increases attacking and casting speeds by 75%, movement by 30%
• Downwind of Altarius - Standing downwind decreases attack and cast speeds by 75%, movement by 30%

Notes:

• Don't stand in front, except tanks
• Will have winds, stand on the side that gives you the buff, that is the side the puts you on the upwind, so the wind hits you before the boss
• Heroic:   Whirlwinds that knock you off the platform to avoid

Asaad

• Chain Lightning - Hits up to 5 targets, doing less damage with each jump
• Supremecy of the Storm - Lightning strikes from storm above hitting all enemies
• Unstable Grounding Field - Summons a Grounding Field in which it redirects all spells cast at targets within it

Notes:

• When casting the Grounding Field, a triangle of lightning, get inside it, everyone outside will be hit with Supremecy of the Storm and die.
• Repeat til dead.
• Heroic:  Static Shock roots you to dispel making it troublesome to get to a grounding field or avoid spreading out for chain lightning