Broadside

A spellcaster can only learn this spell if they have proficiency with space or water vehicles.

Raising a cutlass in the direction of your enemies, you shout a command to open fire. A spectral ship-of-the-line, bristling with heavy guns, materializes directly behind you to carry out the order, bombarding the battlefield ahead of you with cannon fire. Make 6d6 ranged spell attacks, each of which you direct at a target you can see within range. You can direct these attacks at the same target or at different ones. Each attack deals 8d10 bludgeoning damage on a hit. Once the last of the attacks is made, the ship vanishes.

After casting this spell, you must succeed on a DC 19 Constitution saving throw, suffering 2d3 levels of exhaustion on a failed save, or half as many levels (rounded up) on a successful one.