destiny 2 how to masterwork core?
['Probably the best means of getting Masterwork Cores is to rank up with the Gunsmith to earn packages. ... ', 'The other method is to use a Finest Matterweave, as this is a guaranteed way to get a Masterwork Core. ... ', 'Finally, once a clan has reached Rank 6, completing a Weekly Clan challenge rewards a Masterwork Core.']