1.) There is no such thing as "F-Rank", only "F-Class"
2.) Remove the slayer abilities, those are a given with the position.
3.) You only need to state that it deals D-Ranked damage. I don't why you're nerfing this spell.
NOTE: Here's a bit of info if you're confused.
Class : F-?
Rank: D-?
Typically an "F-Class" user is incapable of magic, this is shown through the fact you know only a single spell at F-Class.
2.) Remove the slayer abilities, those are a given with the position.
3.) You only need to state that it deals D-Ranked damage. I don't why you're nerfing this spell.
NOTE: Here's a bit of info if you're confused.
Class : F-?
Rank: D-?
Typically an "F-Class" user is incapable of magic, this is shown through the fact you know only a single spell at F-Class.