Ingot

is a common resource.

Obtaining
can be:
 * Found in loot on a Cave Structure
 * Made by smelting 3 of the same Ore

Usages
are used with Blacksmith Moulds to smelt into Tool parts. These parts often require Forging.

Rarity
Starting from most common to rarest:
 * Copper
 * Gold
 * Iron
 * Silver
 * Mythril