Mythical Fragments are extremely rare Blocks that were first made available in Version 3.8, also known as the Mythical Update. They can be found in Chests, and their sole use is to craft Mythical Blocks.
Fragments of Frost[]
Fragments of Frost are used to craft Tears of Frost.
Fragments of Fire[]
Fragments of Fire are used to craft Blows of Fire.
Fragments of Iron[]
Fragments of Iron are used to craft Strength of Iron.
Fragments of Pearls[]
Fragments of Pearls are used to craft Fable of Pearls.
Fragments of Chaos[]
Fragments of Chaos are used to craft Emeralds of Chaos.