JJThunder To The Max Data Pack (1.21.1, 1.20.1) - Transform Your World (2025)

FAQs

How do I add 1.20 Datapack to existing world? ›

In an existing world

Open Minecraft. Select the world you want to install the data pack for, click on "Edit", then "Open world folder". Open the folder named datapacks , and put the data pack into it.

The data pack system allows for custom Functions, tags, Advancements, recipes, structures, and loot tables to be added without modifying the game. They were first introduced in Java Edition 1.13 snapshot 17w43a.

The Linear Difficulty Increase Data Pack increases the difficulty of mobs that spawn into your Minecraft world over time. This is achieved by multiplying mob health, attack damage, and movement speed by a variable derived by dividing playtime by the rate of increase.

pack_format: Pack version. If this number does not match the current required number, the data pack displays a warning and requires additional confirmation to load the pack.

You can enable, disable, list, and change the priority order of your loaded data packs using the /datapack command in Minecraft.

While data packs can add things like custom mobs or items through a couple workarounds, there are always some limitations. Mods can add any code to the game with no restrictions on their behavior.

Too many entities (e.g. using too many armorstands) High usage of heavy entity selectors (e.g. using @e a high amount of times) NBT (reading, writing, or accessing entity NBT data is extremely laggy. Like execute if entity @e[nbt=...] )

In Hard mode, hostile mobs will spawn and deal more damage than Normal mode. Mobs can cause you harmful status effects such as Poison or the Wither effect. You will take damage from the physical world such as lava, drowning, or fall damage. Your food bar will deplete so you will get hungry and need to eat.

There is absolutely no difference in loot depending on difficulty levels. So with +80h into the game with 40h something of those played on Very Hard, and the last 2h of extensivly testing Normal Vs Very Hard in a controlled enviroment, i can tell you that there is 0 difference in Loot or Legendary enemy spawn rates.

Can you add mods to an already existing world? ›

Minecraft will load, along with mod that you added to the "mods" folder. When you start a game (existing world or new world), the mod will automatically be applied.

How to install your Add-On in an existing world. Open Minecraft and click the Play button. to edit the world you'd like to activate an Add-On for. Select the Resource Packs tab.

Now, you can enjoy exploring new biomes! Simply start your game as usual, and you'll find that your world now contains all the new environments and features offered by Terralith.