All 3rd-edition harper agent spells of 3rd level.
“Clairaudience/Clairvoyance 5th Edition Statistics 3rd Edition Statistics 2nd Edition Statistics...Clairaudience/clairvoyance
“Nondetection (or non-detection) was an abjuration spell that hid the subject from divination and...Nondetection
“Suggestion was an enchantment spell used to compel a subject to follow the caster's orders, but...Suggestion
“Undetectable alignment was an abjuration spell that shielded the subject's alignment from...Undetectable alignment