That's beautiful idk how you made it but i would image these characters to actually fight like this you are not just playing you play with the character fighting style and thats just my wild guss :)
The spiral aybss timer will stop while the book is open. But, elemental particles continue to move, so elemental energy can be recovered. Since I am using a translation, I may not be able to explain it well. There is another meaning. *Accurately, there are others, but... Skips the character change cooldown.