It's a original modpack with bonus mods (original modpack - https://www.curseforge.com/minecraft/modpacks/all-of-fabric-4)
It's include lots of new mods like:
- more weapons
- new mounts (dragons, wolfs etc..)
- better visual effects
- goblin traders
- better optimalizations mods (sodium, indium etc..)
- better world generation with new structures
- better end, nether, stronghold
- new mobs (water mobs, new zombies, secret bosses...)
- hud indicators (compass, minimap etc..)
- and lot's of more