Raids are endgame content. They require coordination, communication, and team effort. In my opinion, each chest should drop an Enhancement Prism, and the final chest should drop an Ascendant Shard. Raids aren't even as farmable as Nightfalls, so I don't understand why they don't include raids as a path to these materials.
But that's just my opinion.
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If its addition to what loot we get or if we beat last boss and we get like 5 cores of 1 or 2 enhancements, whichever. Then yes, but than again I promise you there will be a bug where itll never drop loot and only mats and bungie will come out and say, due to a bug we encounters there will be no loot for 2weeks till we find a fix till then enjoy all the mats you guys wanted lol