V8P7 ~0%
[...] using an off-the-cuff spell to shifta pretty hefty storage shelf […]
Should be shift a.
~16%
Had he prepared in advance laid groundwork with his colleagues, […]
I'm not sure what would be correct here - just a comma after in advance, or only one of the two things (preparing or laying groundwork).
~17%
[…] much impact. it's
Should be It's.
~61%
[…] it was essential that I carry this task through […]
I'm not perfectly sure, but I feel like the more common carried should be used in the inner monologue, though I feel like Emperor Carmine would use the classic formal carry in dialogue.