Seth tested on several bosses (including the moonlord). Moon Lord generally folds in less than 30 seconds (this is according to my calculations)
When using, I recommend using summoning staves for extra DPS
Also, when fighting a boss, keep in mind: you always need to buff and enter invisibility to increase damage / DPS / crit chance.
Terraria: Save Game (Character. Top shooter. 102% chance with all buffs and invisibility) Free Download
Installation the old fashioned way. If possible, I will lay out a map with a hoyk arena (for those who are too lazy to build themselves). I hope you don’t need to explain what a hoik is? : D