Arcane Mark

A cantrip that allows the spellcaster to create a mark or rune particular to the spellcaster. At the spellcaster's option, it may be invisible. The effect is permanent unless the target is a living creature, which causes it to wear away in normally a month's time.

If a spellcaster casts the Detect Mark spell, she may locate the direction of all her marks within the spell's area of effect.