The PCs find a tree with a strange symbol fixed to it, and a pair of weeping eyes. It speaks to them in their minds saying that an evil wizard magically trapped it here,in addition it promises to lead them to treasure if they break the symbol and free it.
In fact it was magically trapped but only after it went murderous and killed several travellers without provacation and if they free it, the fully grown Ent will attack them. If they somehow kill it a couple of Thrar Stones will fall from it's splintered trunk.
Sister Lataran will crouch naked in front of a deceased sister, singing a childrens' song and pouring boiling water onto her breasts. She will also be scratching something onto the cheek of the woman. When the PCs step closer, she turns around and runs into another room. When the PCs check out the corpse, they will discover that the words "You are next"