This is edited version of E2E (Enigmatica 2 Expert)
I did not create E2E. If you are interested in vanilla E2E version <CLICK HERE>

NEW OFFICIAL WEBSITE
Not only do you get almost untouched enjoyment of E2E, but you have
many more ways to play this modpack. If you're looking for a real challenge, this is the one for you.
The monsters that shouldn't have made it to the top are already there. Systems like
Project MMO will help you fight them, but also help you get materials.
Summon your sidekick to fight enemies or travel to new dimensions.
The journey of this modpack is a long one. But I know you can do it.
There are many more hidden things waiting to be revealed.

There are many new mods. I'm not gonna spoiler. They will find her own way to you...
But let me tell you something. Lots of bosses, lots of new tech mods, dimensions and so on.

How to get best performance?

Its not recommended to use Optifine in any modpacks.

But if you have very low FPS you can download it here -> LINK

8GB RAM + Recommended.
Disable animations in-game in settings.

Techtopia