Arcane Seal

(Sharn: City of Towers, p. 168)

Level: Sorcerer 4, Wizard 4,
Components: V, S, AF,
Casting Time: 1 standard action
Range: Touch
Target: The door, chest, or portal touched, up to 30 sq. ft./level in size
Duration: Permanent
Saving Throw: None
Spell Resistance: No

This spell can be cast upon a door, chest, or portal. This magically seals the target and attaches a mystical alarm to this location. The focus of the spell is a platinum key: this key is mystically bound to the target of the spell and cannot be used again. The bearer of the key may freely pass the arcane seal without affecting it. Otherwise, a door or object secured with this spell can be opened only by breaking in or with a successful dispel magic or knock spell. Add 10 to the normal DC to break open a door or portal affected by this spell. In addition, if the door is opened in any manner, the bearer of the key receives a mental alert: a single word, set when the spell is cast.

A knock spell suppresses the seal for 10 minutes. Dispel magic permanently destroys the seal if the dispel check is successful. However, the seal sends its mental alert even if its magic is dispelled. A rogue or artificer can sense the presence of a arcane seal by making a successful Search check (DC 28). A rogue or artificer can temporarily disable the alarm using an arcane key (see next page).

Focus: A finely crafted platinum key worth 50 gp.

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