SorbetCafe
Terrarian
I figured some people here might be interested in these. There are unedited playlists in the descriptions of the videos for those who don't believe me. They are 16 and 21 hours long, though. I did both of them on master, without any buffs, exploits, nurse, mounts, rod of discord, arenas, or things like that.
Duke Fishron with paper airplanes
The Moon Lord with a wooden bow
Duke Fishron with paper airplanes
The Moon Lord with a wooden bow