The Kingdoms and Colonies server is a "forever world" with land claims so that your base or what you build will never get greifed, however it is anarchy so killing players and taking their loot is allowed. To play on the server you need to download the Kingdoms and Colonies 9 modpack on curseforge, once you have that downloaded the server IP will automatically be added to the multiplayer list, quick easy and simple..
The modpack has a wide range of 260 mods expanding all of minecrafts features, some mods add more decoration items and blocks, dungeons, a bunch of new mobs, weapons and armor, a few magic mods like Irons spells and witchcraft, alexs caves, oh the biomes weve gone, relics, an in game TV screen, create mod, and 9 new dimensions including the Aether! (see full modlist on mod page)
Build your town and leave your mark on this world, make some friends, make some enemies, join in on Kingdoms and Colonies!