Sanguine Scent

3rd-level divination
Casting time: 1 action
Range: Self
Target: a creature you can see wihtin range
Components: V S
Duration: Concentration, up to 8 hours
Classes: Blood Hunter, Warlock, Sorcerer
Subclasses: --

You choose a creature you can see within range or choose a creature you are familiar with on the same plane of existence and mark it in your mind. The target must make a wisdom saving throw becoming marked on a failed save.

You know the direction of the target, the exact distance between you and the target and the current hit points of the target.