Unbelievable Obsidian Generator in Minecraft

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Unbelievable Obsidian Generator in Minecraft

Table of Contents

  1. Introduction
  2. Methods of Obsidian Farming 2.1 Continuously Harvesting Obsidian 2.2 Using Redstone and Water-Lava Combination 2.3 Creating a Fast Generator with Nether Portals
  3. The Nether Portal Method Explained 3.1 Demonstration of the Device 3.2 Understanding Portal Cooldown Timer 3.3 The Role of Multiple Portals 3.4 Limitations on the Number of Portals
  4. Automating the Portal Extinguishing Process 4.1 Forcing Portal Generation in Specific Areas 4.2 Setting Up the System in Spawn Chunks 4.3 Finding the Coordinates in the Nether
  5. Optimizing the Nether Portal Obsidian Generator 5.1 Ideal Locations and Platform Setup 5.2 Necessary Equipment: Efficiency Pickaxe and Beacon
  6. Conclusion


When it comes to farming obsidian in Minecraft, there are several methods available. These methods include continuous harvesting of obsidian and platforming, taking advantage of a bug involving redstone, water, and lava to convert redstone into obsidian, and creating a ridiculously fast generator using nether portals. In this article, we will focus on the latter method and explore how it works, as well as how to set it up and optimize its efficiency.

The Nether Portal Method Explained

Demonstration of the Device

To understand the nether portal method of obsidian farming, let's first take a look at the device in action. By destroying a block of obsidian, the device initiates the obsidian generation process. While the process is not fully automatic, it is semi-automatic, requiring your presence to destroy the obsidian and extinguish the portals. The maximum rate of obsidian generation from this method is approximately 150 obsidian per minute, which translates to 9,000 obsidian per hour. This makes it an incredibly fast obsidian farm.

Understanding Portal Cooldown Timer

In Minecraft, the game automatically generates a portal if there isn't one in the dimension you're traveling to. However, there is a cooldown timer associated with portal generation. After a portal is used, the game waits for approximately 36 seconds before generating a new portal. If the portal is used within this cooldown period, the game does not generate a new portal.

The Role of Multiple Portals

To overcome the limitation of the 36-second cooldown timer, the nether portal method utilizes multiple portals. By synchronizing the timing between the portals, it is possible to bypass the cooldown and generate obsidian at a much higher rate. The system uses nine portals, with each portal having a four-second delay between its activation.

Limitations on the Number of Portals

The number of portals in the system is limited by the 36-second cooldown period and the four-second delay between portal activations. With a delay of four seconds, only nine portals can fit within the 36-second cycle. Adding more portals would cause them to sync up with the first portal, rendering them useless. However, it is theoretically possible to have more portals if the cooldown period was shorter than four seconds.

Automating the Portal Extinguishing Process

Forcing Portal Generation in Specific Areas

While the nether portal method requires manual portal destruction, there is a way to automate this process. By setting up a system that forces the game to spawn a portal in a specific area, you can extinguish the portal automatically. This involves placing a pressure plate where the portal should spawn in the Nether, and using a dispenser to dispense lava onto the pressure plate to extinguish the portal.

Setting Up the System in Spawn Chunks

To set up the automatic portal extinguishing system, you need to locate the spawn chunks in your Minecraft world. These spawn chunks are constantly loaded, ensuring the system functions even when you are not nearby. Once you find the coordinates of the spawn chunks, you can set up the portals there, ensuring that they are divided by eight and placed at a specific distance from each other.

Finding the Coordinates in the Nether

To determine the coordinates for the portals in the Nether, you divide the coordinates of the overworld portals by eight. It is important to set up the portals at the same height in both dimensions. Ideally, you should choose a location above a lava lake in the Nether, ensuring there is enough space for the obsidian generation platform.

Optimizing the Nether Portal Obsidian Generator

Ideal Locations and Platform Setup

To optimize the nether portal obsidian generator, you need to choose an ideal location in the Nether and set up a platform for obsidian generation. A lava lake provides an ideal backdrop for the platform. Setting the platform's elevation low in the overworld is recommended to maximize the available space in the Nether. A platform size of 30x30 or larger is suitable for efficient obsidian generation.

Necessary Equipment: Efficiency Pickaxe and Beacon

To ensure quick destruction of the generated portals, it is essential to have an efficiency 5 pickaxe. This will allow you to mine the obsidian blocks swiftly. Additionally, a beacon with haste 2 is highly recommended to further speed up the mining process.


The nether portal method offers a remarkable way to farm obsidian at an incredibly fast rate. With the use of multiple portals and careful coordination, it is possible to generate obsidian at a rate of up to 150 obsidian per minute. By understanding the cooldown timer, setting up the system in the spawn chunks, and optimizing the platform in the Nether, you can create an efficient obsidian generator that will save you significant time and effort in your Minecraft world.

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