Voting this because I want "The Rose of Battle" to become Jai Fa's nickname and to see her reaction to this.
Ehhh, the mechanism for all of them is hit hard to get [boost], with some flowery language and ~aesthetic for the boost. Pretty sure Fa can manage[X] Sing the Second Verse
All the other options sound like they would require a 20 page manual. They are elaborate and intriguing charms that just don't sound like they would excel at being an axe.