Binding Pledge

When you cast the spell, a willing creature within range makes a promise, swears an oath, or enters into a contract. For the duration of the spell, you immediately know if the creature breaks that promise, oath, or contract. If this happens, for the remainder of the duration of the spell, you know the distance and direction to the creature. If this spell is dispelled, you immediately know it but don’t learn the distance and direction to the creature.

Using a Higher-Level Spell Slot. The duration becomes 30 days (level 3-4 slot) or 1 year (level 5-6 slot). If you use a level 7+ spell slot, the spell lasts until dispelled.