# Frigid Water *Environmental Hazard* A creature can be immersed in frigid water for a number of minutes equal to its Constitution score before suffering any ill effects. Each additional minute spent in frigid water requires the creature to succeed on a DC 10 Constitution saving throw or gain 1 [Exhaustion](Mechanics/CLI/rules/conditions.md#Exhaustion) level. Creatures with [Resistance](Mechanics/CLI/rules/variant-rules/resistance-xphb.md) or [Immunity](Mechanics/CLI/rules/variant-rules/immunity-xphb.md) to Cold damage automatically succeed on the save, as do creatures that are naturally adapted to living in ice-cold water. *Source: Dungeon Master's Guide (2024) p. 68*