Celestial blast

A blast of celestial energy slams into one enemy of your choice within range, if the target is medium or smaller the blast hits everything behind them too. This blast deals 1d10 radiant damage.

 At higher levels: At 5th level this deals 1d10 extra damage, at 10th level this deals 1d10 extra damage, at 15th level this deals 1d10 extra damage and at 20th level it deals 10d20 extra damage