The cult of ender dragon

The mod adds a lot of mobs, it adds:
Ender cultists are villagers dressed in black clothes with purple patterns and can drop a random item upon death.
Ender traders can trade anything from items to tamed mobs.
Endermen guards are large endermen with powerful attacks that can still reach far.
Mini dragons are the same as the Ender dragon, only these are much smaller and weaker.
Ender beetles are just harmless Ender beetles.
Ender wolves are the same wolves, only they are black and their eyes and paws are purple, and they are tamed with Ender pearls.
The mod will add the following biomes:
The Ender Forest is just the same regular forest, only there are different trees, and there are Ender Wolves and Ender Beetles.
from the mod structures adds:
Ender Fortress: The new location where the Ender Dragon will now live at the end. The fortress is divided into corridors, rooms, dining rooms, and guard rooms.
and caves can appear randomly, and they contain the same ores as in the overworld.
The mod adds the following items:
Ender scepter - it teleports the player wherever he waves it.
The Ender Dragon Helmet can now be obtained after defeating the Ender Dragon.
The Ender Dragon Chestpiece can be obtained after defeating the Ender Dragon, the chestpiece also has wings.
End Dragon Leggings can be obtained after defeating the Ender Dragon. If someone hits you in the legs while the player has these leggings equipped, the attacker also takes damage, since the leggings are spiky.
End Dragon Boots can be obtained after defeating the Ender Dragon, they are made of End Scales.
An Ender Sword can be made from a Dragon Crystal and an Ender Dragon Scale.
Ender Crystal can be obtained in the new end cave.

In the End, as in all Minecraft dimensions, there are mobs that are comparable even without mods. The vanilla mob list includes:
Endermen are tall, black creatures with purple eyes that drop Ender Pearls when killed.
Endermites: a kind of silverfish.
Shulkers: These are creatures in purple boxes whose projectiles inflict the levitation effect.
Ender Dragon: It lives on the main island and can shoot ender projectiles and knock everyone down with its body.