Terminology Guide
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Chronicle of the Heroes
Fragment of Ymir's Heart
An artefact of great power. Much of it still remains a mystery. The fragment cannot be touched with bare hands, for the energy radiating from it might kill them. It has also been reported to mutate living beings and induce hostility in people.
It is responsible for keeping the city of Yuno afloat, and for the power of the human experiments in the Somatology Laboratory beneath Lighthalzen.
