Deeproot (Pongoro's Entangle)

Gnarled roots sprout from the ground, entangling a creature you can see within range. They disappear when the spell ends.

The creature must succeed on a Strength saving throw or have the Restrained condition until the spell ends. If the creature is over any type of loose earth such as dirt or sand then it is pulled underground (refer to Suffocation rules). 

A Restrained creature can take an action to make a Strength (Athletics) check against your spell save DC. On a success, the spell ends, and it is no longer restrained. It frees itself from the roots and, if underground, surfaces just enough to start breathing again.