Mass Suggestion level 4 can't illuminate the area

can't illuminate the area

and smell like some other sort of natural terrain

You can specify a target destination in general terms

and none of the target's memories are modified

Mass Suggestion level 4 can't illuminate the areaYou suggest a course of activity (limited to a sentence or two) and magically influence up to twelve creatures of your choice that you can see within range and that can hear and understand you. Creatures that can't be charmed are immune to this effect. The suggestion must be worded in such a manner as to make the course of action sound reasonable. Asking the creature to stab itself, throw itself onto a spear, immolate itself, or do some other