Casting Time:1 Action
Components:V, S, M *
The Squirming, ebony tentacles shall be filled a 20-foot square on the ground which you could see within a specific range. For a particular duration, all these tentacles shall be turn a ground in an area into the difficult terrain.
Whenever the creature enters an affected area for the first time on a specific turn or else starts its turn over there, however the creature should be succeeded on a Dexterity saving throw or else take 3d6 bludgeoning damage and be restrained by a tentacles unless until a spell ends. Basically, a creature which starts its turn in an area and also is already restrained by a tentacle takes 3d6 bludgeoning damage.
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A creature that restrained by the tentacles could be used its action for making a strength or dexterity check (depends upon its choice) against to your spell save DC. On a success, it frees itself.