Blade Arc

You Focus and Center yourself, Sweeping your Blade(s) in an 15 foot arc of Martial Malice. When you do this,  all enemies within the Arc must make a Dexterity Save or take 3d8 Force Damage. NOTE: this spell covers a cone that is 15feet wide and 10 feet long. 

At Higher Levels: for every spell slot level above 1st, Add 1d8 to the damage done (+1d8 at 2nd,+ 2d8 at 3rd, +3d8 at 4th etc...)