I need to break a block of bedrock in the ceiling of the nether so that I can make farms on the ceiling. I don't want to use command blocks or creative mode. I need to do it in survival mode.

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2 Answers

You can’t build on the ceiling when you attempt to build this is what happens: Height limit for building is 128 blocks

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i remember you used to be able to break through it with trees, but you need to find a space that is empty right below the roof that has a block under said empty space, place a ladder in the empty space and pearl to the ladder. you should be able to clip through the block on top by going up.