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This is my first post.
If you have trouble killing Prince Malchezaar here is a easy way to kill him.
ImageShack - Hosting :: princefa9.jpg
Green Arrow = About where Prince should be tanked
Red Circle = Entrance
Blue Arrows = Indent in wall
BEFORE THE FIGHT:
-Tank should run to green arrow and make sure healers are in range to heal.
DURING THE FIGHT:
-Your ranged DPS / Healers should stack up somewhere inside the Red Circle.
-Melee DPS run as far into the Indent in wall as possible (Blue Arrows).
The advantage of this strategy:
-You do not have to dodge infernals as much
-Melee DPS do not have to run as far to avoid Shadow Nova
Thanks for reading and good luck!