Eldritch Riposte

make a ranged spell attack against the creature who attacked you. on a hit, the creature takes 2d8 force damage. This spell counts as eldritch blast for any option or enhancement that applies to the eldritch blast spell such as the warlock's eldritch invocations. 

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the damage increases by 1d8 for each slot level above 1st.