Versions

Minecraft 1.18.2
Forge: 40.0.42
Hex: Commit 620b751
Paucal: Commit 92990a8

Issue

Casting an explosion spell with a power greater than 10 results in the explosion not being more powerful than 10, but the media cost scales accordingly as if it weren't capped at 10.
You can instantly use up all of your media and overcast yourself if you use a big enough number.