Begin survival within the Lost Cities Mod.
Here you will have to survive against mobs whose difficulty is turned up by 10, added with the Weather, Storms, and Tornadoes mod~ this wont be an easy time.
Engineering mods such as Applied Energistics 2 and Mekanism will be a great help to you if you can get to work on them.
Finally, after conquering the Tragic Lands of the Lost cities, venture out into space with Galacticraft and colonize other planets! All packaged into one single modpack.
This pack is best played with shaders in the overworld, and no shaders in space. Resource packs are optional. have fun!