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Undertale modded

An Undertale mod, new items, new blocks, new armor, new weapons, new food, new structure and new trades.

File Details

UndertaleMod-1.21.4-2.17.9.jar

  • R
  • Oct 31, 2025
  • 1.46 MB
  • 815
  • 1.21.4
  • NeoForge

File Name

UndertaleMod-1.21.4-2.17.9.jar

Supported Versions

  • 1.21.4

Curse Maven Snippet

NeoForge

implementation "curse.maven:undertalemodded-615292:7169294"
Curse Maven does not yet support mods that have disabled 3rd party sharing

Learn more about Curse Maven

1.21.4-2.17.9

New Item
-Calcified Magical Rock   {A rock that shakes and chimes as you approach any material that is conciderd magical (Lapis, Gold, Emerals, Allom, Amethyst and all deepslate and nether versions), In a 5 x 5 radius, chimes get louder if your in a 2 x 2 radius}
-MysticSeeds {Drop from waterfall grass and tall grass, Seeds that when planted on till ground plants a randomly choosen seed from wheat,carrots,potatos,beetroot <-Common 22/64seeds. mellon,pumkin <--uncommon 17/64seeds. berries <---Common 19/64seeds. torchflower,potplant.<--- Rare 6/64seeds}
-Glowshroom {Drops from glowshrooms Clusters,Give night vision when eaten but hurts you.}
-Poisonious Glowshroom {Rare Drop From glowshroom Cluster, Gives Poison when eaten}
-Cooked Glowshroom
-Heavy poison {A custom potion effect, the potion form last 16mins while eating the pie lasts one minecraft day(20m) its invisible to the player Inventory does not give off particles and will give the player custom diologe when under its effects and to near by players up to 10 blocks.}

Reworked
-Glowshroom Cluster on right click no longer gives night vision the item dropped by it when eaten now does.
-Buttercup slices effect when eaten now grant heavy poison effect.
-Replace the real knife with a diffrent version of the knife that when broken doesn't rid the knife but instead enters a broken state that require chocolate to repair.

Mushroom and Plant Changes!!
-Glowshrooms now can be grown when under water they must have a water block to the sides. 
-All water fall grass drops mystic seeds
-Shears are needed for Glowshroom And the grasses to now be picked up.

New Crafting recipe 
-Calcified Magical Rock
-Cooked Glowshroom for smoker and furnace
-Nightvision potion -:>  Glowshroom put into a brewing stand with an akward potion.
-Poison Potion -:> Poisonious Glowshroom put into a brewing stand with an akward poiton.
-Heavy poison -:> Replaces the buttercups poison potion recipe. {You will die if you do not have, totem of undying, Determination, last dream. Also turtle master potion, temmie armour, Enchanted golden apples or old pizza slice will help fight against the effects and improve your chance of living. so if your playing hardcore do not eat the buttercup slice if your not prepared}

Added Flavor text
-Glowshroom
-Cooked Glowshroom
-Poisonious Glowshroom
-Monster Soul magic
-Waterfall Grass
-echo flower
-Flavor text when repairing the true knife
-Flavor text when true knife is in invintory and you try to eat a buttercup pie slice

Item changes
* Soul of Determination  {now Gives a resistant effect Lv4 for 0.02 seconds, Gives a Fire resistant effect for 0.02 seconds, Gives a water breathing effect for 0.02 seconds and increased health to 1 and a half hearts instead of just 1. so you dont rapidly die after reviving.}
*Glowshroom renamed to--> Glowshroom Cluster.
* Sould of Determination now stacks to 1 
*Spear of Justic damage nerf

Block Change
* Allom ore now produces a ambient sound
* Mystirious door, re added a scrapped feature...

New Sounds
-Added OowhmAmbient
-Added SparkleAmbient

Plants more indepth stuff
-Short waterfall grass now drops seeds when broke
-Short waterfall grass now requires shears to get
-Short waterfall grass now can be bone meal into tall waterfall grass
-Tall waterfall grass now drop seeds when broke
-Tall waterfall grass now requires shears to get
-Glowshroom Breaks into individual shrooms that can be eaten
-Glowshroom now requires shears to get
-Glowshroom now can be composted
-Poisonious glowshroom now can be composted

Wip
-Astronaut Food
-Worn Bandaid