Hello!
I know it's a repost, but i made a video showing the way to farm this chest on rogue.
Hunter Version @ mmowned(dot)com
[ame=http://video.google.com/videoplay?docid=6182669900460617864]Click to see movie @ Google Video[/ame]
mp3 name : Ayumi Hamasaki - Ayu Trance - M Above and Beyond remix
Video is made by me.
By the way, mages should be able to do it with invisibility in part when i'm using vanish.