Hallucinatory Terrain

The material below is Open Game Content from a 3PP Source

Hallucinatory Terrain
School illusion (glamer); Level bard 4, sorcerer/wizard 4, witch-4wfg 4
Casting Time 10 minutes
Components V, S, M (a stone, a twig, and a green leaf)
Range long (400 ft. + 40 ft./level)
Area one 30-ft. cube/level (S)
Duration 2 hours/level (D)
Saving Throw Will disbelief (if interacted with); Spell Resistance no

You make natural terrain look, sound, and smell like some other sort of natural terrain. Structures, equipment, and creatures within the area are not hidden or changed in appearance.

For the 3x version