this modpack has lost cities which puts cities in your world & some buildings have monster spawners, so be careful. avatar mod and avatar become the master mod to help fight monsters in game. Kamen rider and Super sentai mods to do the same thing above. Comforts so you can sleep without needing a bed, dalek mod, daleks can attack at your spawnpoint sometimes and if you have enough materials you can make a tardis to travel to dimensions. Dynamic trees to make trees fall, dynamic lights for lighting up caves with only one torch. JourneyMap for easy travel, harvestcraft for more food items, tough as nails for harder gameplay.
traveler's backpack for more storage, wings that let you fly in survival(needs food for stay in the air), Serene Seasons for color change, shifting temperatures etc. Spartan Weaponry for cool weapons. grappling hook mod used to get around faster more so cities or mountains as an example. chibi & VintageFix for helping with lag on low end laptops or PC's.

