Ancient Core

are recurring in .
==Location and Uses==
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 are a rare drop from in . They can also appear in found in the overworld, within , and as amiibo rewards. Like other , were made by the ancient 10,000 years ago. It is used as a power source for machines.
 can give three to at the during the "" , which will upgrade his . Alternatively, they can be used at the as ingredients to create various pieces of , including the , , , and . They also count as , which means they can be used with critters in a to make . The accepts as an ingredient for , or they can be sold to at the in exchange for 
 are required to upgrade the following pieces of at a .
Armor	Tier 1	Tier 2	Tier 3	Tier 4
 	N/A 	N/A 	(×5) 	N/A
 	N/A 	N/A 	(×5) 	N/A
 	N/A 	N/A 	(×5) 	N/A
 	N/A 	N/A 	(×5) 	N/A
 	N/A 	N/A 	(×5) 	N/A
 	N/A 	N/A 	(×5) 	N/A
 	N/A 	N/A 	(×5) 	N/A
==Other Appearances==
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 can be sold to for 200 , though they can be sold elsewhere for 80 .
==Nomenclature==
== See Also==
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