Spell - Elemental (Architect style)
Create a 1 inch thick wall of stone angled at least 45 degrees from the ground in target space and up to 1 + TT contiguous spaces in 3 + TT range. The walls are not affected by gravity. Attack creatures in the spaces to choose what side of the wall they are on. On failure, they choose the side.

3 + TT rounds

Nimble
Boost: Increase the thickness of the wall by TT/2 inches.