You send lightning from your hand and deliver an electric shock to a creature you touch. Make one melee spell attack on the target. If the target is wearing metal armor, you make this check with an advantage. If you hit, the target takes 1d8 points of lightning damage and cannot perform any reaction until the start of its next turn.

Shocking Grasp 5e

Level: Evocation

Classes: Wizard, Sorcerer

Casting Time: 1 Action

Range: Touch

Components: V, S

Duration: Instantaneous

You increase the spell’s damage by 1d8 (becomes 2d8) when you reach 5th level, by 1d8 (becomes 3d8) at 11th level, and by 1d8 (becomes 4d8) at 17th level.