This is a skyblock using the Calculator mod to get initial resources instead of using traditional methods, such as sieving. It's a progressive-based modpack, meaning you'll have to go through one mod in order to progress to the next one. The main mods you'll be progressing through includes:
CraftTweaker and Modular Machinery were used to gate the progression. There is a questbook to help guide you through. And there are craftable creative items using Avaritia to get that end-game feeling. The goal of this pack is not to be grindy, but challenging.
There is an official server. Ask on the Discord if you are interested in joining.