Disguise

Disguise is the skill to make a person or object appear as something other that what it is.

Save is Users Focus + Disguise Levels + 1d20 vs targets Awareness + Disguise Levels + 1d20+10

A dm may modify either side of the challenge depending on circumstance. Distance to targets (viewers), Familiarity with the real object (disguise a human child as a kobold when the humans have not seen a kobold) and quality of the materials used in the disguise.