The Hungering Sphere (Warlock Patron)

[Garfunion]

This archetype seem overly complicated.

Hungering Sphere
As an action you conjure 5-foot-diameter hungering sphere that appears in an unoccupied space of your choice within 60ft. Any creature that ends its turn within 5 feet of the sphere must make a Dexterity saving throw. The creature takes 2d6 force damage on a failed save.
The sphere’s damage increases by 1d6 when you reach 5th level (3d6), 11th level (4d6), and 17th level (5d6).

As a bonus action, you can move the sphere up to 30 feet. If you ram the sphere into a creature, that creature must make the saving throw against the sphere’s damage, and the sphere stops moving this turn.
When you move the sphere, you can direct it over barriers up to 5 feet tall and jump it across pits up to 10 feet wide.

The sphere remains in existence for one minute or until you dismiss it with an action. You may conjure your sphere twice per short/long rest.

*****
I modeled the sphere off of the flaming sphere spell.