tModLoader - Need help with making a weapon similar to arkhalis.

I want to make a sword have a swinging projectile like Arkhalis, I made the projectile with the help of some older post on this forum. It's swinging, but my problem is, that I have no idea what to change in my code to make the "swing speed" lower (kinda like the "Murasama" from Calamity mod

Overhaul Major Redesign Update 4.0, baby.

Arkhalis - Official Terraria Mods Wiki

Daybreak - Terraria Wiki

Steam Workshop::Every Weapon is Craftable

How to get Arkhalis in Terraria

Murasama Calamity Melee Weapon! Terraria Calamity - Melee Class

tModLoader - Crystilium mod.

Is there a sword shrine in every world?

Muramasa rework pls? I mean it a pretty good sword for pre hard