For each level, Knockback adds 3 blocks distance to the base knockback. The highest it can add without commands is 6 blocks. It combines slightly with knockback caused by attacking while sprinting. In Java Edition, you can hit armor stands with a knockback enchantment, but not in Bedrock Edition.
|Name||Namespaced ID||Translation key|
|Name||Namespaced ID||Numeric ID||Translation key|
|1.0.0||Beta 1.9 Prerelease 3||Added Knockback, which can be applied to swords.|
|Upcoming Java Edition|
|Combat Tests||Combat Test 4||Knockback can now be applied to axes.|
|Pocket Edition Alpha|
|0.12.1||build 1||Added Knockback.|
|Legacy Console Edition|
|TU7||CU1||1.0||Patch 1||1.0.1||Added Knockback.|
- Punch, which applies knockback to arrows shot with a bow.