Swift Strike

As an action, while wielding a melee weapon you can enchant you blade and body thrusting you forward in a 15 foot long By the reach of your weapon wide line. Each creature that is in the path or with in the reach of you melee weapon from the path must make a DEX save vs your spell DC, and a failed save the creature takes your weapons normal damage plus 4d8 elemental damage based off your alignment, or half as much on a successful save.

Alignments:

Good= Radiant or Lightning Damage

Neutal= Fire or Cold Damage

Evil= Necrotic or Poison Damage 

For each level you cast above 3rd you add an extra 1d8 to the roll.