An unavailable block in Minecraft is any block that cannot be obtained without a command.
Some blocks, such as bedrock or the final portal frame, are not available in Survival. However, they can be degraded by creative menus. These blocks are not considered inaccessible blocks as they can be found in the creative menu.
Through commands, players have access to a multitude of blocks that can be useful for custom folders or servers.
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Unavailable Blocks in Minecraft
Mechanics

Inaccessible blocks can be used to create interesting ornaments and designs. As seen in the image above, the player used the Inaccessible End Portal block to create a space corridor effect.
In the Java Edition, players can use the /setblock command to create a final portal. However, they cannot keep the item in their inventory.
Below are some of the most important unavailable blocks and their numerical IDs:
- Final Portal: 199
- Fire: 51
- Lava: (flowing) 10 (still) 11
- Water: 8
- Frozen snow: 207
- Monster Block: 97
- Command block: 256
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Details

As mentioned above, the final portal cannot be achieved in Java except by using the /set block command. However, Minecraft Bedrock players can get this block in their inventory using the inventory editor or mods.
As seen in the image above, frozen ice is a special type of ice that spreads when a Frostwalker is enchanted by walking on water. Like the final portal, Frozen Ice can only be “obtained” by using the / set block in Java. Bedrock Edition players can obtain it by modifying the inventory and mods.
Most of the other inaccessible blocks in Minecraft are very similar in the fact that they cannot be accessed in any way in Java Edition and can only be created through commands.
A command block can be created with the following command:
/give @s command_block
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