The formula for damage reduction is
(4 × level)% for each armor point. The highest level (full Protection IV) absorbs +16% (
4 × 4%) of damage. Theoretically at level 25 no damage is possible (because it would transcend 100%), but because the damage to be absorbed is capped at 80%, the maximum effective level would be 20.
Protection, Blast Protection, Fire Protection, and Projectile Protection are mutually exclusive. However, if commands are used to have two or more of these enchantments on the same item, the effects stack.
|1.0.0||Beta 1.9 Prerelease 3||Added Protection.|
|1.9||?||Protection enchantments have been nerfed; their bonuses are now linear instead of quadratic.|
|1.14||19w02a||Protection enchantments are no longer mutually exclusive.|
|1.14.3||Pre-Release 3||Protection enchantments are now once again mutually exclusive.|
|Pocket Edition Alpha|
|0.12.1||build 1||Added Protection.|
|Legacy Console Edition|
|TU7||CU1||1.0||Patch 1||1.0.1||Added Protection.|