The First Chapter

The Mainland/Goblin Town
The spawn area includes goblins and the portals and stuff.

Thats it lol.

The Abyss
Includes the boss: Lord of the abyss. thats it

Note
We will skip minion bosses (infinity, gaster and colddeveloper and we all love undertale sometimes)

Deeper into the abyss: Gaster's Castle
Includes the portal Deepest into the abyss and mobs.

cuz why not

Deepest into the abyss
Super dark area.

Superbosses + Expert mode (like terraria lol)
Superbosses:

soon will be new superbosses

Expert mode:

Includes expert mainland and expert abyss

ColdDeveloper
(yes, hes next)

He unlocks the sentie boss by giving u 1M or more xp.

Sentie, final boss
OH GOD GET READY

He is the deadly god, so he will destroy u lol