[The empty chamber has a raised platform in the center, with large square tiles. Some of the tiles have glowing circles set into them. The same square tiles form a pathway from the door to the platform, and on the other side of the platform, a second pathway that leads to a sealed door.
Beside the door, the source of the glow illuminating the room: a grouping of Tetris block shapes, formed out of the luminous algae, carefully cultivated long ago for this puzzle.
When one of the glowing circles on the tiles is touched, it will light up the tiles around it in one of the shapes. Should any party member stray from the path by swimming beyond the boundaries of the tiles, all of the lit-up tiles will go dark, resetting the puzzle.
OOC: for illustration purposes, it's this. IC, characters can explore and use trial and error to proceed.]
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Beside the door, the source of the glow illuminating the room: a grouping of
Tetris blockshapes, formed out of the luminous algae, carefully cultivated long ago for this puzzle.When one of the glowing circles on the tiles is touched, it will light up the tiles around it in one of the shapes. Should any party member stray from the path by swimming beyond the boundaries of the tiles, all of the lit-up tiles will go dark, resetting the puzzle.
OOC: for illustration purposes, it's this. IC, characters can explore and use trial and error to proceed.]