Time Dilation

The user creates a cylinder 20ft in radius and 300ft in height at any point in between themselves and the range of this move, the area they select being that centre of the circle. All creatures inside of this area have their movement speed divided by a factor of 10, cannot take an action apart from moving an have disadvantage on all saving throws. Projectiles launched into this area also have their velocity divided by a factor of 10. The cylinder disappears after the duration of this spell is finished. At level 8, double the range of this spell and the radius of the cylinder.