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UnderCraft

An addon pack for Lucraft Core, Heroes Expansion and Speedster Heroes that adds UNDERTALE character powers.

Adds UNDERTALE character powers to MINECRAFT! Mods needed: Lucraft Core, Heroes Expansion and Speedster Heroes. Now added: Asgore, Asriel, Sans (Creative Only, OP Damage and No Cooldown), Determination, Flowey, Heroine, Asriel (Absolute God of Hyper Death), Asriel (Phase 2), Omega Flowey, Papyrus, Sans, Toriel and Undyne.

Needed Forge version download link (Needed version - Latest 1.12.2): https://files.minecraftforge.net/net/minecraftforge/forge/index_1.12.2.html

LucraftCore download link: https://www.curseforge.com/minecraft/mc-mods/lucraft-core

HeroesExpansion download link: https://www.curseforge.com/minecraft/mc-mods/heroesexpansion

SpeedsterHeroes download link: https://www.curseforge.com/minecraft/mc-mods/speedster-heroes

Developer Notes: Hey guys, it's the project owner. So I obviously haven't updated this in a while and it's constantly been on my mind, I'd rather refrain from calling the Addon abandoned or stop updating it, but truthfully life just had some stuff waiting for me and as I grew I took more and more interest in Data Packs, so I've been focusing on them much more. I'd still love to update but I always felt like a lot of the characters are just basic laser bolt repetition given different names, and then I wanted to do Muffet with HeroExpansion Spider-Man powers but for the life of me I couldn't find the assets for his abilities, I wouldn't say "expect an update soon" but I also wouldn't say "don't expect an update at all". That being said, I don't like the idea of the team's creation being entirely dependant on someone else's mods, because then the more I want to add the more mods that need to be downloaded and eventually the lag would be too annoying

Basically: Life had some bad things in stock, I took greater interest in Data Packs that take creations beyond the limits of Lucraft's mods, and I was struggling with finding the resources

 

JUNE 24, 2025:

IMPORTANT: I (The owner) and the lead pack developer are considering a remaster of UnderCraft. This remaster will be in the form of a datapack, meaning it will be available for the latest versions of Minecraft, and not limited to Lucraft's abilities. The datapack will be accompanied by a mod we will make, which controls the keybinds, so that it would feel the same as the current Lucraft addon. This will allow us to move in new directions, such as making Sans' lasers come out of a gaster blaster rather than his hands. The first character we'd like to create is the Roaring Knight from Deltarune, mostly to see how well some of these attacks are imported to full 3D

The UnderCraft Team

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