Viscous Flesh

You point at a creature you can see. The target must make a Constitution saving throw.

On a failed save, its flesh softens and sloughs into a grotesquely elastic state:

• The creature's speed is halved.
• It cannot take reactions.
• Whenever it moves more than 10 feet on its turn, it takes 2d6 necrotic damage as its body tears and reforms.
• Attack rolls against the creature have advantage if the attacker is within 5 feet of it.
• If the creature attempts to Dash, it must first succeed on a Strength saving throw against your spell save DC or fall prone.

At the start of each of its turns, the target can repeat the Constitution saving throw, ending the spell on a success.

On a successful initial save, the creature takes 2d6 necrotic damage and suffers no other effect.

At Higher Levels

When cast using a spell slot of 5th level or higher, the movement damage increases by 1d6 for every two slot levels above 4th.