2) Goto
and Complete the quest Cleansing Felwood (lvl 48 ) 3) Get your lantern from the quest giver
4) Complete any of the quest she offers to get a plant salve
5) Goto a corupted plant
6) Clense the plant and stay on it.
7) Everyone should be able to open the dialog box now and as long as no one loots, as many people as you want can open the box. Once everone is set you all loot.
8 ) Loot yours and goto another plant
