Cursed Ichor (B)

Any damage dealt by the spell also reduces the target's hit point maximum by the same amount until it finishes a long rest. Also, if the target fails its save, necrotic ichor oozes from its body as you drain its vitality and then harden over it. The target's movement speed is halved for 1 minute or until it uses an action to wipe away the hardened ichor.

At Higher Levels. When you cast this spell using a spell slot of 5th level or higher, the damage increases by 1d8 for each slot level above 4th.