Hunter's Mark

1st-Level Divination
Casting Time: 1 bonus action
Range: 90 feet
Components: V
Duration: (C) 1 hour

You choose a creature you can see within range and mystically mark it as your quarry. Until the spell ends, you deal an extra 1d6 damage to the target whenever you hit it with a weapon attack, and you have advantage on any Investigation, Perception, and Survival checks you make to find it. If the target drops to 0 hit points before this spell ends, you can use a bonus action on a subsequent turn of yours to mark a new creature.
At Higher Levels. When you cast this spell using a spell slot of 3rd or 4th level, you can maintain your concentration on the spell for up to 8 hours, and the damage die becomes 1d8. When you use a spell slot of 5th level or higher, you can maintain your concentration on the spell for up to 24 hours, and the damage die becomes 1d10.

Source: PHB 251, SRD

Changelog

Damage increases with upcast. Works on Investigation checks now too.