Platinum Fields Solo Route - x2 Foraging Full Clear + Cave 

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lvl 31 + 3 Foraging - 137% MS - 24% Rare Material Acquisition Tool - 25% Basic Reward Bonus on charm
Roughly 6,759g value in raw mats from the 2 runs I did today not including the packages from returning items (they don't amount to much) . Pretty sure that increases by at least 5-10% if mats are used to craft pots/bombs.