The purpose of the modification is to add increasing complexity to Minecraft as you progress through the game, dividing it into stages. There are only three stages: the first is the entrance to hell, the second is the finding of the infernal fortress, the third is the killing of the dragon.
The first stage
In the ordinary world, new mobs appear, such as: zombie warrior and skeleton warrior. The first one parries your blows, and the second one blocks them.
The second stage
New mobs appear in both dimensions and new ones will begin to appear, such as:
Soul creeper - creates its own illusions that disappear when hit and impose a new "soul burning" effect that sets the player on fire.
Wither mage - shoots from a short distance, and if you move away, weakens the player with a spell that imposes negative effects.
The third stage
New mobs appear in all three dimensions and a new one appears. An aberration is a large version of a phantom that is accompanied by phantoms. If she sees a player, she will immediately pull him to her and hold him until he dies from the phantoms or until he kills her.
There is still a lot of content in fashion that I didn't tell you about: other mobs, items, bosses, you will learn about them yourself as the game progresses.
There are differences in the complexity of the hard.
There are 102 items in total and 41 mobs.
(necessary geckolib)