**The Great Ring of Oceanus Mod**

Minecraft Version: 1.20.1, Forge Version: 47.4.0

Summary

The goal of this mod is to introduce deep-sea concepts like water pressure to Minecraft players, offering a new sense of adventure and a unique experience that can only be found in this mod.

Key Features

・New Concept: Water Pressure

　　Upon entering the water, a new status effect consisting of damage and blindness is applied below a certain depth.

　　New gear is required to protect against these effects.

　　The depth at which water pressure damage is received, and the amount of damage taken, changes　depending on the type and quantity of equipment worn.

・New Dimension: Deep Ocean

　　A dimension composed entirely of ocean, with no landmasses.

　　A portal can be crafted to enter this dimension.

　　You can return to the Overworld by surfacing on the ocean's surface.

　　Beds cannot be used in this dimension.

・New Biome: Abyssal Forest

　　A biome located within the new dimension.

　　It features Marine Oak trees and allows for the collection of a new ore called Aquamarine.

　　New friendly mobs, Anglerfish, spawn here.

・New Structure: Underwater Village

　　A village located in the new dimension.

　　You can trade with the villagers of the Underwater Village.

　　Sea taro can be collected from the farms.

・Modified Structure: Ocean Monument

　　A dungeon located in the new dimension.

　　It contains treasure chests with valuable items.

　　New hostile mobs, Yellow and Red Guardians, spawn here.

　　The new boss mob, Oceanus, also spawns here.

・Various New Items and Blocks

　　Luminous Coral Blocks can be crafted from the glowing scales dropped by Anglerfish and used as a light source.

　　A new profession block for the underwater villagers, the Marine Transmuter, can be used to create items like Transmuted Sea Taro.

　　Defeating Oceanus drops the Ring of Oceanus, which grants levitation when equipped in the off-hand.

Installation Guide

To play this mod, you must have Minecraft Forge installed.

Install Minecraft Forge: Download the Minecraft Forge 47.4.0 installer for Minecraft 1.20.1, run it, and complete the installation.
Place the Mod File: Place the downloaded mod's .jar file into the mods folder within your Minecraft installation directory.
Launch the Game: Select the Forge profile from the Minecraft launcher and start the game.

Important Notes

"Experimental World" Warning

　　A warning message about experimental features will appear when creating a new world. This is a standard message that appears whenever a mod is installed in Minecraft and does not indicate an issue.

Credits

KoRo2 was responsible for all the code.

Portions of this mod are derived from code by Kaupenjoe, Misode, TelepathicGrunt, quek04, and mezz used under the terms of the MIT License.

License

Video Showcase

You can see the mod in action and learn more about its features in this video: https://www.youtube.com/watch?v=FJQla0vGeyQ