The Nether Portal Spread Mod 1.18.1, 1.17.1: Atmospheric Play and a Reference to Oblivion Gates

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The Nether Portal Spread mod will make the Nether portals to Hell more sinister. After activation, they will gradually “grow” with blocks from the Lower World, which will add atmospheric play to the game. Fans of the TES series of games can see in this a reference to Oblivion Gates. The Nether Portal Spread Mod has flexible settings, you can set how fast Nether Blocks grow around Nether Portals and how much space they cover before stopping their expansion.

Nether Portal Spread Mod

How to install Nether Portal Spread Mod for Minecraft?

Follows 5 Steps below to install Nether Portal Spread Mod for Minecraft on Windows and Mac :

1. Download and install Minecraft Forge, you can read the instructions below the article.

2. Download the Nether Portal Spread Mod
3. Open the . minecraft folder and then enter the mods folder. Important: Some older versions of Forge may not have the ‘Open Mods Folder’ button. If this is the case, create the directory under the name mods.


Press the Windows key +R at the same time
Type %appdata% and press enter
Find folder Minecraft and then look for the Mods folder within that

Click on the desktop and then press Command+Shift+G all at the same time
Type ~/Library and press enter
Open the folder Application Support and then Minecraft.
4. From here, drag in the mods file downloaded (.jar or .zip) you wish to add.

5. Run Minecraft, and you should now see the new mod installed in the list!

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Enjoy Mod , If there is an error, please comment on this article we will support.


sendMessageOnPortalCreation (default = true): When enabled, sends a message to players around the portal that the nether is spreading and that you can stop the spread with ‘preventSpreadBlockAmountNeeded’ of the ‘preventSpreadBlockString’ block.
messageOnPortalCreation (default = “You feel a corrupt energy coming from the portal. The nether will slowly spread into the overworld unless %preventSpreadBlockAmountNeeded% %preventSpreadBlockString% are placed within a %portalSpreadRadius% block radius around the portal.“): The message sent on portal creation.
sendMessageOnPreventSpreadBlocksFound (default = true): When enabled, sends a message to players around the portal that the nether spread has stopped when the portal detects new ‘preventSpreadBlockString’ blocks.
messageOnPreventSpreadBlocksFound (default = “With enough %preventSpreadBlockString% placed, you feel the corrupted energy fade.“): The message sent on preventspread blocks found.
sendMessageOnPortalBroken (default = true): When enabled, sends a message to players when a portal is broken.
messageOnPortalBroken (default = “With the nether portal broken, the corrupted energy is no longer able to enter the overworld.“): The message sent when a portal is broken.
prefixPortalCoordsInMessage (default = true): When enabled, shows the portal coordinates in portal messages.

portalSpreadRadius (default = 15, min 1, max 100): The radius around the portal to which the nether blocks can spread.
(default = 40, min 1, max 72000): The delay in ticks in between the spread around the nether portal. 20 ticks = 1 second.
(default = 50, min 0, max 1000): The amount of blocks that are instantly converted to a nether block around a portal when it is detected. If there are existing nether blocks within the radius, their count is subtracted from this number.

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preventSpreadWithBlock (default = true): When enabled, blocks the spread effect when there are n (defined) prevent-spread-blocks (defined) within the radius.
preventSpreadBlockAmountNeeded (default = 4): The amount of prevent-spread-blocks (defined) needed within the radius of the nether portal to prevent spread.
preventSpreadBlockString (default = “minecraft:coal_block“): The block which prevents the nether portal from spreading. By default a coal block (minecraft:coal_block is the namespace ID).

Configurable spread blocks
You can define which blocks should spread to what and the chance of it happening in the “spreadsettings.txt” file located in “./config/netherportalspread/“. By default it contains the following:

stone; [netherrack>10 + magma_block>2 + nether_quartz_ore>1],
grass_block; [netherrack>1],
dirt; [netherrack>1],
sand; [soul_sand>1],
gravel; [soul_sand>1],
stone_bricks; [nether_bricks>2 + red_nether_bricks>1],
sea_lantern; [glowstone>1],
farmland; [soul_sand>1],
wheat; [nether_wart>1]

The mod automatically adds “minecraft:” in front of the name values if it contains no “:” (colon).
The format is: FROMBLOCK; [TOBLOCK>WEIGHT (+ TOBLOCK>WEIGHT + TOBLOCK>WEIGHT) ] The weight is automatically converted to chance values. This is calculated by: (1/total_weight)*weight.
So the default config file means:

Convert stone into 76.92% netherrack. 15.38% magma blocks and 7.7% quartz ore.
Convert grass blocks into 100% netherrack.
Convert dirt into 100% netherrack.
Convert sand into 100% soul sand.
Convert gravel into 100% soul sand.
Convert stone bricks into 66.67% nether bricks and 33.3% red nether bricks.
Convert sea lanterns into 100% glowstone.
Convert farmland into 100% soul sand.
Convert wheat into 100% netherwart.

Minecraft 1.16 and up has a different default config, using the new blocks:

stone; [netherrack>10 + magma_block>2 + nether_quartz_ore>1],
grass; [nether_sprouts>1],
cobblestone; [blackstone>1],
grass_block; [crimson_nylium>1],
dirt; [netherrack>1],
coarse_dirt; [soul_soil>1],
sand; [soul_sand>1 + soul_soil>1],
red_sand; [soul_soil>1 + soul_sand>1],
sandstone; [blackstone>1],
cut_sandstone; [polished_blackstone>1],
chiseled_sandstone; [chiseled_polished_blackstone>1],
smooth_sandstone; [basalt>1],
smooth_red_sandstone; [basalt>1],
gravel; [soul_soil>1],
stone_bricks; [nether_bricks>2 + red_nether_bricks>1],
sea_lantern; [glowstone>1],
farmland; [soul_sand>1],
wheat; [nether_wart>1],
gold_ore; [nether_gold_ore>1],
fern; [nether_sprouts>1],
oak_leaves; [nether_wart_block>1],
spruce_leaves; [nether_wart_block>1],
birch_leaves; [warped_wart_block>1],
jungle_leaves; [warped_wart_block>1],
acacia_leaves; [nether_wart_block>1],
dark_oak_leaves; [warped_wart_block>1],
oak_log; [crimson_stem>1],
spruce_log; [crimson_stem>1],
birch_log; [warped_stem>1],
jungle_log; [warped_stem>1],
acacia_log; [crimson_stem>1],
dark_oak_log; [warped_stem>1],

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Nether Portal Spread Mod Screenshots:

Nether Portal Spread Mod 1.18.1, 1.17.1 Download Links:

Minecraft Game version 1.12.2:download


Minecraft Game version 1.14.4:download


Minecraft Game version 1.15.1:download


Minecraft Game version 1.15.2:download


Minecraft Game version 1.16.1:download


Minecraft Game version 1.16.2:download


Minecraft Game version 1.16.3:download


Minecraft Game version 1.16.4:download


Minecraft Game version 1.16.5:download


Minecraft Game version 1.17.1:download


Minecraft Game version 1.18:download


Minecraft Game version 1.18.1:download


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