I wish I could get someones attention about this. This has been the thorn in my side for achievements for a year. The same exact thing that happened for howling sepulchers happens for Loth Na caverns. You get credit for beating the dungeon under the single delve achievements yet the Upper Craglorn Cave delver does not recognize the completion of Loth Na. This means I cannot complete this achievement as well as Craglorn Master Explorer. It has been 1 year and I have heard nothing. Can anyone confirm that this is even on the radar of fixes?