Hey guys i am planing to farm http://www.wowhead.com/npc=15333#dro...orthy:100-15+1 but i cant remember wich boss i need to keep alive so they respawn. Does any1 remember? Or they even respawn at all once you kill them (i can cower this with multipe chars). Is it bug or the brain guy?

(yes for greens like glorious set)