DuntCraft

This pack includes tons of rpg mods such as the RPG Series and Minecolonies. 
Very Kitchen sink like

Build a city using Minecolonies and be the mayor of your dreams.

Create, Ars Nouveau, RPG Series, Iron's Spellbooks and farmer's delight each have tons of add on mods for unique experience. Enjoy relics mod with many compat and addon mods so artifacts have relic leveling system and there are even new relics to discover. Enjoy Trying to find all the Nameless Trinkets as well

For those who want more than just RPG mods. There are tons of new dimensions such as steampunk, cyberspace, and stargate journey. Enjoy tons of max options such as Ars, Iron's, Hexerei, or even Elemental Craft. 

For those who want more then just adventure. Enjoy tech mods such as Create, Mekanism, and even Modern Industrialization.