Unbreaking

Max level IIIJavaBedrock

Quick answer: Gives each use a chance to not consume durability. For tools, III roughly quadruples lifetime; armor benefits less (about 43% longer at III).

Applies to

Tools, weapons, armor, fishing rods, bows, crossbows, tridents, shields, elytra, and more.

How to get Unbreaking

Best uses

On every valuable item, ideally together with Mending: Unbreaking stretches durability, Mending refills it.

Related: MendingEfficiencySharpness