Pressure Capsule

Special

This small capsule is made of beeswax blended with sand and a variety of enchanted water plants. A creature who consumes a pressure capsule ignores the effects of swimming at depths greater than 100 feet (see "Unusual Environments" in chapter 5 of the Dungeon Master's Guide).

Classes

Artificer
Barbarian
Bard
Cleric
Druid
Fighter
Monk
Paladin
Ranger
Rogue
Sorcerer
Warlock
Wizard

Magic Wonderous Items

Common 
Uncommon 
Rare 
Very Rare 
Legendary 
Unique