First take them to zavala
Then rahool then Amanda holiday
Then to cayde 6
Finally turn them to eris morn
Get loot[spoiler]you get a shader and a piece of celery (probably should keep the celery you never know)[/spoiler]
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The question that I have though is if you can reacquire the ascendent raisins after you got the celery. It might be worth it to keep both for next year for fun.