Gateway of Doom

A player finds a Gateway Key, picks a suitable spot with solid ground and open space, then holds the key and right-clicks to throw it. After a Gateway appears, players get a brief window to get ready before the first wave arrives. The fight is shown on screen with the current wave, the remaining enemies and the time left. Between waves there are short breaks, and the final boss has its own health bar. Defeating enemies within the time limits leads to the boss, and completing the whole encounter grants items and experience. Larger mobs and bosses need enough room overhead.

Gateway of Doom also places automatic Gateway events while players explore. Four Gateway types and four custom bosses come with 20 additional mobs, and the locations match the dimension, so dungeons, abandoned mineshafts, jungle temples, pillager outposts, Nether fortresses, bastions and End cities can all host an encounter. An in-game editor lets modpack builders and server operators design their own encounters, reward tables and event rules. It runs on client and server and needs Fabric API. The mod is published for Fabric, Forge, NeoForge and Quilt for 26.3 as the latest file, with builds covering 1.20.1 – 26.3, under All rights reserved and not open source.