DIRECT ANSWER
The short answer
Each anvil operation raises future cost. Combine books in a balanced tree and apply the final book to fresh gear.
PREPARATION
Exactly what you need
- The exact world edition and version
- A small test area and inexpensive materials
- Coordinates, light information, or the relevant measuring tool
Where to find or obtain it
- Each anvil operation raises future cost. Combine books in a balanced tree and apply the final book to fresh gear.
- both Java and Bedrock Editions
EXACT METHOD
Step-by-step method
- Keep conditions fixedRecord version, edition, difficulty, and relevant gamerules so the result is repeatable.
- Build a small testUse inexpensive resources and change one variable at a time.
- Measure the valuesRecord coordinates, distance, time, light, or signal strength and compare with the expected result.
- Scale only after verificationOnce the small test works, reproduce it in the main build without hidden changes.
SAFETY & EFFICIENCY
Mistakes and dangers
- Do not assume Java and Bedrock results are identical.
- Changing several variables at once hides the cause of a failed test.
PLAYER-TESTED TIPS
Record numbers and coordinates instead of relying on memory.
Rebuild the mechanic in a small Creative test world before a large Survival build.
Version notes
This mechanic entry targets Minecraft 1.21.8 and both Java and Bedrock Editions. Coordinates, drop rates, and some mechanics can differ between Java and Bedrock.
Java Edition1.21.8Verified source data
Bedrock Edition1.21.8Mechanics may vary
Sources and verification
Facts are summarized and cross-checked; source pages remain linked for exact tables, edition differences, and future updates.