XCOM 2 Alien Hunters DLC Environment

Piero macgowan xcom2 39 hunterspackenvirointerior piero macgowan
Piero macgowan xcom2 40 hunterspackenvirocallout piero macgowan

This is an exploration of one of XCOM 2's Alien Hunters DLC environments based on previous color sketches, with a callout of the "frozen throne room". What could all the spikes, skulls and giant shed snake skins mean?