Yeah everything should be a simple playthrough of the game to get 1000G except for the added in effort of collecting the 100 feathers to get the last 2 achievements for this. At least he got you a head start so there's 150G out of the way!
Also, keep track of which feathers you collect throughout so you're not stuck trying to find which one's you still need.
"Nothing is true. Everything is permitted."
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