Storm Orb

Conjuration cantrip

Classes: Druid, sorcerer, warden, warlock, wizard
Casting Time: 1 action
Range: Self
Components: V, S
Duration: Concentration, up to 1 minute

An ominous storm cloud materializes above your head.

The first time a creature deals damage to you with a melee attack, you can use your reaction to deal 1d8 lightning damage to that creature, and the spell ends.

This spell’s damage increases by 1d8 when you reach 5th level (2d8), 11th level (3d8), and 17th level (4d8).