Aura of Blades

The player opens a small portal in their hand spreading bright light for 5 feet and dim light for 15 feet further.

When assaulted by a foe, spectral blades dart from the portal to your defense. When a hostile creature enters the spell’s area for the first time on a turn or starts its turn there, it must succeed on a Constitution saving throw or is forced backwards 5 feet and takes 1d4 slashing damage.

At Higher Levels. The spell's damage increases by 1d4 and shove distance increases by 5 feet at 5th level (2d4, 10 feet), 11th level (3d4, 15 feet), and 17th level (4d4, 20 feet).