Moon Rune

2nd-level transmutation (ritual) (Artificer,Bard)

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• Casting Time: 1 action
• Range: Touch
• Components: V, S, M (100 gp worth of rare inks that are consumed by the spell)
• Duration: Instantaneous

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You inscribe up to seven marks on any surface, which can be any nonmagical glyphs or symbols. When the spell is finished, each mark becomes invisible. You specify the conditions that make the runes visible. The runes only become visible to those who match the conditions you described, or by anyone using true seeing . The runes last until the object they are placed upon is destroyed.