
Modrinth · Minecraft mod
Celestisynth
A Minecraft mod with celestial weapons and stunning visuals for enhanced gameplay!
Quick answer
Which Celestisynth release should I use?
Celestisynth 1.20.1-1.3.4 targets 1.20, 1.20.1 with Forge. Installation on the client is optional. Installation on the dedicated server is optional. No extra mods listed for this file.
Where it goes
Is Celestisynth required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
The source marks this as usable on both the client and server.
What else does Celestisynth 1.20.1-1.3.4 need?
1.20.1-1.3.4. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add Celestisynth without breaking your instance.
Built for Celestisynth 1.20.1-1.3.4. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.20.1-1.3.4. It targets 1.20, 1.20.1 with Forge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside 1.20.1-1.3.4. It opens that exact file at the source.
About this project
What does Celestisynth add?




🔴 Project Status: CANCELLED (DUE FOR REWRITE)


Some of the weapon's skills are heavily inspired by Demon Slayer: Kimetsu no Yaiba.
- Revamp your Minecraft experience with Celestisynth! Unleash an arsenal of celestial-grade weapons, forged to perfection and boasting mind-blowing powers. Prepare to be mesmerized as you witness stunning visual effects and a customized player animation that adds a touch of elegance to the gameplay!
- ⭐ [ New version support: 1.20.1 ! ]
- ⭐ [ New weapon from the recent updates: The Frostbound ! ]


Important note [1.19.2 and 1.20.1 only]: Celestisynth's Weapons are only craftable using the Celestial Workbench! Use Just Enough Items to guide you!
⚔️ Weapon Guide:
Spoiler

SOLARIS:
- A flaming sword that can be used for movement and continuous damage.
- Base material can be found in the nether.

CRESCENTIA
- A shiny sickle that can be used for defensive buffs and continuous damage.
- Base material can be found in caves.

BREEZEBREAKER
- A sharp, tall, and slim sword that can be used for movement and burst damage.
- Base material can be found anywhere between Y-100 and Y-320 at the top of high mountains.

POLTERGEIST
- An ominous heavy axe filled with the eyes of ender. Used for massive burst damage.
- Base material mainly consists of the eyes of the ender and can be obtained through crafting.

AQUAFLORA
- A very light blade with a pointy tip adorned with plants and flowers. Used for area control and continuous damage.
- Base materials mainly consist of plants and flowers that can be found around the overworld.

RAINFALL SERENITY
- A laser-shooting futuristic longbow that can pierce through targets. Used for damage from long distances.
- Base material can be crafted and brewed through the Crescentia's base material.

FROSTBOUND
- A shimmering scythe that is seemingly made of ice. Used for area control and balanced damage.
- Base material can be found in caves under cold biomes below Y-Level 60.

📖 DEPENDENCIES + INTEGRATION:
Dependencies:
Integration:
- Iron's Spells n' Spellbooks: Additional weapon skills (to be expanded upon in future updates, and eventually reworked with the arrival of an upcoming major update!)
- Better Combat: Custom weapon attack animations!

❓ F.A.Q
Q. When will you port the mod to [Non-Forge modloader]?
A. Likely not anytime soon, as the mod will be undergoing a couple of major updates in the near future. If you'd like to assist in starting the development process early on, feel free to hit us up on our Discord server!
Q. When will you port to [Newer version]?
A. When we can. Remember that this is a passion project, but we'll do our best to keep up with version updates!
Q. When will you backport to [Older version]?
A. Unlikely to happen in the foreseeable future.
Q. Will there be new content added into the mod?
A. Of course! The mod is constantly receiving new content updates and additional features/mechanics/optimizations! Stick around and see what we have in store!
Q. When would you implement the new 1.19.2 features to 1.19.4?
A. 1.19.4 and below are all discontinued content-wise, as we'll be focusing on versions 1.20.1+.

Extra Credit:
- KhanTypo: Helping fix a bug with the recipe book!
- YeoXuHang: Assisting in a few parts of the early mod development process!
Project description from Modrinth.
Pick your setup
Celestisynth by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.20
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Celestisynth versions and loaders
1.20.1-1.3.4
celestisynth-1.20.1-1.3.4-all.jar
27 Feb 2026
1.20.1-1.3.3
celestisynth-1.20.1-1.3.3-all.jar
18 Aug 2025
1.20.1-1.3.2
celestisynth-1.20.1-1.3.2.jar
4 Aug 2025
1.20.1-1.3.1
celestisynth-1.20.1-1.3.1.jar
10 Nov 2024
1.20.1-1.2.2
celestisynth-1.20.1-1.2.2.jar
4 Apr 2024
Looking for an older file? The official Modrinth project page is in Resources.