Double Claim for the Large Daedric ruin in OW10 and also the Goblin Cave for the Blind Stalker Tribe. Entrance for the cave is at Shipal Shin Region -5, -46, there are two entrances for the ruin in Humbaba -3, -45.
Claim for prefab cellar pieces for use with the T_Bre_DngRuin_X_Tower pieces (shown in the image), which are generic Breton tower ruins used across HR and the Reach, as well as decrepit-looking trapdoors for entry.
If possible, the prefab cellar pieces should be connectable.