This is a mod made for my modpack, Frontier Ascension. There are 3 core components.
-Summoning Altar
This Altar will spawn said mob when right-clicked with a mob egg. Perfect for a boss fight summoning altar
-Arena Dimension
A void dimension with indestructible blocks as the floor, perfect for a big arena to fight bosses
-Barrier Orbs
These orbs will increase the world border by whatever the set amount for them is.
That is pretty much it on the mod, just a cool little core mod for my modpack.