Stone's Embrace

Spell Type: Attack; Mana Cost: 15 MP; TN: 17
Test: Strength (Might) vs Spellpower; Requirements: Pit

The earth swallows up and traps the feet of a number of enemies up to your Magic skill within 30 feet unless they succeed at a Strength (Might) test vs. your Spellpower. If they fail, they remain trapped until they succeed at the test as a minor action on their turn.