# Slippery Ice *Environmental Hazard* Slippery ice is [Difficult Terrain](Mechanics/CLI/rules/variant-rules/difficult-terrain-xphb.md). A creature that moves onto slippery ice for the first time on a turn or starts its turn there must succeed on a DC 10 Dexterity saving throw or have the [Prone](Mechanics/CLI/rules/conditions.md#Prone) condition. *Source: Dungeon Master's Guide (2024) p. 69*