The Underwater Path Trap
I created this "trap" a while back, but it has yet to be encountered in my game. The idea is simple: a corridor that ends abruptly with a wall. In the floor, there’s a hatch leading to a continuation of the corridor—but it’s completely submerged underwater. When someone enters this underwater section, they’ll likely have no light and might be tethered to a rope so the rest of the party can pull them back if needed. As they swim forward, they’ll discover another hatch in the ceiling above them. Here’s the trick: both hatches can’t be open at the same time . So, as the person underwater tries to open the second hatch, the first hatch—where the rest of the party is—starts to close. This can create chaotic and tense moments where the party unknowingly fights against the person underwater or even traps a rope in the hatch as it shuts. This trap can not only break up the party but also stops communication and creates a real dilemma. Plus, who really wants to get soaking wet? Imagin...