From Destinypedia, the Destiny wiki
Arc-Charged Minotaurs are specialized Minotaur units responsible for carrying Arc energies throughout Mercury's past in order to convert the planet into a Machine world. Ever since the Red Legion's interference with the temporal effects of The Sundial, these Minotaur's have been targeted by the Legion to aid in their plans on changing the course of history. These Minotaurs must be killed and their cores picked up and deposited in the Legion's power generators in the Gatecrash encounter.
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