Beyond the last lands, on the island of Bois Ventus, diving is an ancestral tradition. During an initiation rite celebrated at the summer solstice, divers compete to retrieve the sacred stone from the village. Thrown from the top of the cliff by the dean, she drags the heroic contenders into the depths of the ocean, aided in their quest by the friendly sea turtles and manta rays. However, to bring the stone back, they will need to avoid disturbing the sharks that inhabit the ocean.

The game takes place simultaneously for all divers who must secretly schedule their dive. Looking at the stacked Ocean cards,
they try to perceive at what depths the turtles and manta rays are ready to help them, as well as the sharks they do not want to disturb. They each have Air counters which they use to program their actions. The winner is the diver who retrieves the sacred stone.

Dive explores the notion of perception, the ability of divers to observe the ocean (packet of transparent cards) and benefit from it: "I have to avoid this shark, but is it on the third or fourth card? ".