After a great deal of wrangling, our fearless leader, Mirumoto Yonaka, decides1 that the Tamori will take her own fire potion and use it on the door with the five kanji, while everyone else stands back. His reasoning is that the lost Phoenix is hiding behind it2.
Tamori Yuriko does so and immediately erupts into a ten foot diameter ball of blue flame. She puts her hand in the door, and it sinks in. The stone begins to pulse, becoming pinker and ruddier, and the kanji become incandescent. There is a smell of ozone, and the door irises into its frame. The kanji hang in the air for a moment before fading away. The room is dark, and the air is old and stale3.
With her glowing orange eyes4, Shosuro Naoki can see that the dark room is a hemisphere. There are archways around the perimeter, but these are misted over. A bowl sits on a pillar in the center of the room, and floating above it is a black sphere, covered with irregular knobs. Flakes of something are falling off the sphere.