Ferocious Strike

Biomancy cantrip*

Casting Time: 1 action
Range: Self
Components: V, S
Duration: Instantaneous
Class: Bard, Druid, Sorcerer, Tamer, Warlock

With a pulse of adrenaline, a tremendous ferocity comes upon you. Make one weapon attack against a target within your reach or range. If this attack hits, the target takes additional 1d4 damage of the weapon’s damage type.

At Higher Levels. This spell’s damage increases by 1d4 when you reach 5th level (2d4), 11th level (3d4) and 17th level (4d4).

*can be replaced with transmutation
Source: Heliana's Guide to Monster Hunting