Wayland's Spiked Shield

You create a momentary spikey spectral barrier that surrounds you and attempts to impale any nearby creatures. Each creature within range, other than you, must succeed on a Dexterity saving throw or take 1d6 force damage. Enemies gain no advantage from flanking you till your next turn.

At Higher Levels.

-  5th lvl: The range increases to 10 feet, the damage increases to 2d6, and you gain a +1 to AC until the end of your next turn.

- 11th lvl: The range increases to 15 feet, the damage increases to 3d6, and you gain a +2 to AC until the end of your next turn.

-17th lvl: The range increases to 20 feet, the damage increases to 4d6, and you gain a +3 to AC until the end of your next turn.