No bug, but it do not work when you are standing to far from the statue (and plants) !
The little chest appear between the legs of the statue, so in fact your hero can't stand to close to the statue
Happy I've my Amulet of the North
... can't resist to start a new hero from the early beginning in Farglow ! Love the music & sounds in Farglow and especially the soundtrack you hear when you travel with the Zeppelin to Broken Valley !
On 10/30/'11 Ronja the Ranger Priest, start a new adventure! Read it here
.DKS, A Masterpiece! Buy it right now & you will know
All the fun is on your side to play as a Dragon Knight!