Infinity and Mending work together on one bow, and a bow with Infinity shoots without any arrows in your inventory.

How it works

• Combine Infinity and Mending in an anvil, or get both from an enchanting table.
• A bow with Infinity fires a normal arrow even when you have no arrows at all.
• Arrows fired this way cannot be picked up, just like with vanilla Infinity.
• Your own arrows are still not used up.
• A bow without Infinity works as usual.

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