Check this outFollow

My friend raided heroic nex this morning and a rogue was in there using this build: http://www.wowhead.com/?talent=fhxcoeMoiroGzZ0xZebfbh0db
Isn't that more of a solo build? I mean for my questing rogue I'm going with this: http://www.wowhead.com/?talent=f0ecoexoi0sczZ0xV0xZebf

Let me have you check this guys armory: http://www.wowarmory.com/character-sheet.xml?r=Aerie+Peak&n=Trexlor

Thats her friend she ran with. O.o That build seems weird to me. <.<