Pu-ryao

Pu-ryao, the Room of Immortality, is a room in the Helix Palace. The character himself is an incarnation of the Moon, who King-gyou kidnapped to obtain Moon Water. He presents Rin with 6 bottles, promising that one of them is Moon Water that will lead to immortality. While he's technically not lying, the promised immortality is in the form of living every moment of time in Tong-nou at once with no way to stop it.

Bottles

Blue

The blue bottle is water medicine. It doesn't do anything.

Purple

The purple bottle is the Moon Water. It can be countered with the Sun Water.

Red

The red bottle is poison. The player can use the Morning Glory or Panacea to counter it.

Light blue

The light blue bottle is water medicine. It doesn't do anything.

Pink

The pink bottle is water medicine. It doesn't do anything.

Green

The green bottle is poison. The player can use the Morning Glory or Panacea to counter it.