RFTools Dimensions (Fabric)

A dimension with normal terrain, a single plains biome, sphere features, and a nebula sky box

Spike terrain in a badlands biome under the Red Fog sky.

Floating desert islands under the infernal sky

Snowy plains threaded with tendril features under the Stars sky

Wave terrain in a mushroom fields biome, with a liquid sphere feature, under an End sky.

The mod adds several tools for your dimension needs including the Dimension Builder, Enscriber, Dimlet Workbench, Researcher, Knowledge Holder, and Dimension Editor. It also includes the four absorbers, and a common and rare dimensional blob.