Ruin of the Thunder Clerics is an original 5e one-shot for 3-5 3rd-level characters.

This original Forever DM one shot walks you through the next dimension of D&D with underwater combat and tactical monsters. Gain a greater understanding of combat tactics and environmental challenges as you fight your way through a sunken temple. Perfect for players looking to jump back in to an old hobby or beginners looking to learn by diving in the deep end.