Devs, did you sneak one in unannounced? I like to hunt White Wyrms on occasion, last night I was messing around with them, my GD had one down to all red, so of course it proceeded to walk away where my GD couldn't possibly get to it, and after healing itself a few times, it invis'd and remained that way for some time. My GD went off and attacked something else, the WW revealed, healed itself again, and then promptly invis'd again. I had never seen one do that before. Is this something new, or do I need to get out more?