Your spells leave behind a lingering effect in the area they affected.
Benefit: The area a residual spell affects is considered difficult terrain for 1 round/spell level.
A residual spell uses up a spell slot equal to the spell’s actual level.
Section 15: Copyright Notice – Strategists and Tacticians
Strategists and Tacticians. Copyright 2010, 4 Winds Fantasy Gaming; Author Ryan Costello, Jr.