Copper Ingot

Copper ingots are metal ingots obtained from smelting raw copper or killing drowned.

Smelting
Copper ingots can be obtained by smelting raw copper in a furnace or blast furnace, as well as the ore itself if mined using Silk Touch.

Drowned
When killed by a player or a tamed wolf, a drowned has a 11% ($11/100$) chance of dropping a copper ingot. With the Looting enchantment, the chance can be increased to 13% ($13/100$) with Looting I, 15% ($3/20$) with Looting II, and 17% ($17/100$) with Looting III.

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