Jorgensen
Yes.Add a small, small random chance of getting a random boss mat or a supreme harvest mat during an extraction. maybe only 1 in 1000 extracted mats on average. Adding an element of chance would make a grindy task a tiny bit less grindy.
Jorgensen
No. Could also be money or gubani wheel rewards in there. It is the ground after all, who knows that homins have dropped?
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Kaetemi