Liberty Sea Tail

Transform into a powerful aquatic form with an animated, glowing sea tail built as a standalone Fabric mod.

Liberty Sea Tail adds a dedicated equipment slot, responsive underwater movement, aquatic abilities, persistent equipment data and full multiplayer synchronization. No Liberty Gear Evolution installation is required.

Features

Dedicated sea-tail equipment slot
Equip with right-click or Shift-click
Tail transformation appears only while underwater
Normal and fast directional swimming
Dolphin leap
Animated idle, swim and fast-swim states
Bubble trail while moving
Glowing emissive tail details
Hides the player's legs, leggings and boots during transformation
Equipment persistence after logout, reconnect and death
Synchronized animations for other players

Aquatic Abilities

While equipped, the tail grants:

Conduit Power
Water Breathing while underwater
Night Vision while underwater
Dolphin's Grace while underwater

Controls

Forward: normal swimming
Sprint + Forward: fast swimming
Jump: dolphin leap
Release Forward: aquatic idle/braking state

Crafting Recipe

N P N
H T S
N P N

N — Nautilus Shell
P — Prismarine Crystals
H — Heart of the Sea
T — Trident
S — Turtle Scute

The Trident is consumed by the recipe.

Requirements

Fabric Loader 0.19.3 or newer
Fabric API
GeckoLib
Java 21 for Minecraft 1.21.1
Java 25 for Minecraft 26.1.2 and 26.2

Supported Minecraft Versions

1.21.1
26.1.2
26.2

Install the JAR matching your exact Minecraft version. The mod and its dependencies must be installed on both the server and every connecting client.

Compatibility

Liberty Sea Tail works by itself or together with the standalone Liberty Wings mod. When both are installed, the sea tail automatically takes priority underwater. Do not install it in the same Minecraft instance as the full Liberty Gear Evolution mod.