You create a mass of thorny vines to restrict your foe as your strike them.

The next time you hit a creature with a weapon attack before this spell ends, the target must make on a Strength saving throw, potentially becoming

Restrained

Critical Success (+10). The target is unaffected as the vines shrivel away.
Success. The target's speed is reduced by 4m until the end of its next turn.
Failure. The target is Restrained by magickal vines for 1 minute. While Restrained by this spell, the target takes 1d6 Piercing damage at the start of each of its turns. A creature Restrained by the vines or one that can touch the creature can use its action to make a Strength check against your spell save DC. On a success, the target is freed.
Critical Failure (–10). As failure, except the piercing damage increased by 1.5×.

At Higher Levels: The damage increases by 1d6 for each spell level increase.