Forceward

3rd Level abjuration

Casting Time: 1 action

Range: self

Components: V, S, M (a crystal sphere worth 50 gp.)

Duration: Concentration, up to 1 minute

You create a translucent but visible 10-foot radius spherical area of protection that wards creatures of your choice. The effect is a fixed point centered on you at casting but doesn’t move with you.

All creatures within the area that aren’t specifically excluded by you when the spell is cast must make a Wisdom saving throw. On a failed save, a creature is forced away from you to the edge of the sphere at a rapid but unharmful speed. If this movement would force a creature up against a solid object, or into a dangerous predicament (such as off a cliff) its saving throw automatically succeeds.

An affected creature can use its action to force itself through the ward; it gains a new Wisdom saving throw, and on a success, it can enter the area.

This spell only affects creatures. Objects, Missiles, and spells may be thrown or launched freely into and out of the area. 

At Higher Level. When you cast this spell using a spell slot of 4th level or higher, the radius increases by 10 feet for each slot level above 3rd.