This is Terraria. Comment what is harder boss. And you can add projects about these bosses. That is one of these:
Chose one only please.
Skeletron Prime has 4 arms to beat you. The first eye from the Twins shoots lasers. The 2nd phase shoots a lot of lasers. The second eye shoots green fire at you. The 2nd phase shoots a line of green fire and charges at you. I got killed a lot!
9 days left!