You create a wall of fire on a solid surface. The wall can be up to 60 feet long (it does not have to be a straight line; sections of the wall can angle as long as they are contiguous), 20 feet high, and 1 foot thick, or a ringed wall up to 20 feet in diameter, 20 feet high, and 1 foot thick. The wall blocks sight.

You create a wall of ice on a solid surface. You can form it into a hemispherical dome or a sphere, either with a radius of up to 10 feet. You may also choose to create a flat surface made up of a contiguous group of ten 10-foot square sections. The wall is 1 foot thick.

You create a wall of tough, pliable, tangled brush bristling with needle-sharp thorns on a solid surface. You can choose to make the wall up to 60 feet long, 10 feet high, and 5 feet thick or a circle that has a 20-foot diameter and is up to 20 feet high and 5 feet thick. The wall blocks line of sight.

You create illusions which manifest the deepest fears and worst nightmares in the minds of all creatures in the spell’s area.

A wall of strong wind rises from the ground at a point you choose. You can make the wall up to 50 feet long, 15 feet high, and 1 foot thick. You can shape the wall in any way you choose so long as it makes one continuous path along the ground.