Sacrificial Strike

Transmutation Cantrip (Sorcerer, Warlock, Wizard)

Casting Time: Action
Range: 40 feet
Components: V, S, M (1 blood mass or 5 hp)
Duration: Instantaneous

Pressurize blood at high speeds towards a creature or location within 40 ft of you. Make a spell attack roll dealing 1d12 piercing damage on a successful hit.

Cantrip Upgrade: The damage increases by 1d12 when you reach levels 5 (2d12), 11 (3d12), and 17 (4d12).

Source: Champion's Ascension