Massive rich ancestral tomb for the 1st, 2nd, (old) 3rd, and 6th Hlaalu families, (The Hlaalo's,4, have their own tomb, as do the kragenmoor hlaalu's,5, and the vvardenfell tomb is for Family 7, who wrecked in the Seyda Neen)
A large Kwama mine on the edge of the Coronati basin, direct most of the size downwards, include some water pools in the lower levels and some acid pools closer to the wueens chamber.