Bone Chilling Fog

A burst of cold fog emanates from you in a 10´ft radius obscuring everything looking into it.

Each creature caught in the burst must make a Constitution saving throw. On a failed save, a creature takes 2d8Cold damage, and is restrained as the cold air freeze your bones in place til the end of their turn. On a successful save, a creature takes half as much damage, doesn´t become restrained.

 a Creature ending their turn inside this spell must make a con saving throw, on a fail take 1d6cold and become blinded for 1 round as their eyes freeze in the cold fog. on succes nothing happends

at higer lvlfor each lvl beyond 2ndlvl. add 1d8 necrotic dmg 

at 4/6/8 spell lvl add a d6 cold dmg