Drakkari Coloussus in Gundrak drops puddles which players must move out of quickly
not true. You can do whole fight without moving an inch.

Loken in Halls of Lightning has a lightning nova that has to be escaped quickly
You can also stay in, and just heal through it, one of the easier, if not the easiest boss to box.

Anub'Rekhan
Spread out, heal through damage, kill venom guys fast....and You dont have to move :P



and that's all i can help You with here \o/