Sam: Lol. Took you long enough. Did you read the book?
As you mine the block, it regenerates into something else. The map progresses through "Phases" or "Ages." You might start with dirt and wood, but as you level up, you’ll unlock stone, rare ores, and eventually blocks from the Nether and the End. Key Features of the 1.21 Update file name oneblockmapmcpe121mcworld top