Room 7/9 is under construction. A weary Fiery Lick wearing a metal supervisor's helmet directs a cadre of flame skeletons in building out a stage and several fire pits. The materials are mismatched, clearly scavenged from other parts of the Tower.
The southeast wall is a hidden door, indistinguishable from the rest of the wall. But if an adventurer glances up to roughly chest-height for a giant and catches a particular stone in shadow, a silvery half-lidded eye will appear on that stone. Pressing it opens the door.