Branding Curse

You touch a willing creature to brand them. The brand will be visible anywhere you choose on their body.

As an action you can choose to make the brand glow red hot and deal 5d6 fire damage and 5d6 necrotic damage, the pain from the brand will overcome the creature and cause it to be incapacitated for the round, when the creature succeeds a wisdom saving throw it only takes half damage and won't be incapacitated.

At higher levels: This spell deals an extra 1d6 fire damage and 1d6 necrotic damage for every spell slot above 5th.