play.minecraftdivergence.com

Divergence is a hardcore modpack, you need to complete quests to progress through the game. As time goes on you will unlock more and more mods and have more power.

There are some great mods some you have never played with, and other you have.

To install just select recommended with the EnviroFix mod and you'll be ready to go.

This server comes from the same great team over at minecraftbeyondreality.com