Spell: Crystalline Artillery (Patreon)

Load up your ship/siege weapons with shiny, magical ammunition that packs a bigger punch than normal.

Created with space-sailing ships in mind, it's good for ground-based siege weapons as well.

2022-09-17: Added a line to the description to make sure this magical ammunition bypasses any damage threshold of the target, so you aren't wasting a spell slot if you happen to roll low on damage.