Detect Residue

3-level Divination (ritual)

For the duration, you can use your action to see the following traces if they were produced within 24 hours of casting this spell.
Blood. Blood appears to glow with blue luminescence. You know if it was wiped, or cleaned with a spell such as prestidigitation.
Fingerprints. Fingerprints appear to glow with purple luminescence. You don't see fingerprints that have been wiped, or cleaned with a spell such as prestidigitation.
Magic. Any disturbances in the Weave appear to glow with a faint, translucent aura. You learn the school(s) of magic present (if any). You do not see cantrips.