Trans-dimensional Accelerator Cannon

She wove the signs and seals, making the pass over her bag of holding concentrating the flow of mana into the sack, reshaping the sack and the aperture to a series of folded spaces over each other and with a final breath, unleashes the contents of the glowing portal, an Adamantine Rod of Ramming at a startling velocity, "Tic, TAC, FOE~!" she said as it ripped a hole through her enemy.

A Conjuration Evocation spell.