A strong wind whirls up in 20ft radius sphere centred on a point you choose within range. This wind blows out torches and candles, and blows away objects not being worn or carried. Vapours, gases and fog are dispersed by this wind. Each creature that starts its turn within the sphere must make a Strength Saving throw. On a fail movement is reduced to 0. It can move at half speed on a success. 

As an Action whilst concentrating on this spell, you may make a spell attack against a creature within the sphere, striking it with debris. On a hit, deal 3d8 non magical bludgeoning damage.