User blog comment:Godisme/Someone's voice/@comment-7418318-20130726154500/@comment-7418318-20130726161743

But so far we havn't seen her teleporting through solid objects or beyond the line of sight.

It would be quite brave or rather foolhardy to teleport into the ground, hoping to hit a cave you can't see. Even if you know the exact position of the cave, who knows what else might be in there to get in the way of your teleportaion.