Stalk

This spell makes the target nearly invisible in natural surroundings and almost totally silent, as if he or she were wearing cloak and boots of elvenkind. Furthermore, the recipient’s scent is almost completely masked. The dweomer makes a stationary recipient undetectable by non-magical means at any range over 30 feet. Movement doesn’t negate the spell; it only makes non-magical detection possible. The spell ends when its duration expires or whenever the recipient attacks. The material components are Ehlonna’sunicorn horn symbol and a piece of dried chameleon skin.