You just fought against sans from a roblox game known as "undertale 3d boss battles" but after you beat him, he raged and turned into a large monster, and now you are back in the lobby of the game, and all of the characters are dead, and then a portal opens and send you to his universe, he is now a 10 ft monster named the bonewalker, collect all 6 artifacts to kill him, he can't see you in the dark, but if he sees you... RUN "say BEGIN when you are ready to start, and you will spawn"