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I know how to evolve Feebas, but I want to ask what lvls of poffins can help a feebas evolve most effectively without messing it up like it won't eat any more before it evolve?
Find out what berries make blue or dry poffins and then go plant all of those berries and pick and you'll have twice as many, then go plant half or four or some or whatever and them make poffins with the rest or wait and then keep getting the berries cuz with my experience you get two berries from each plant. When you have like 20 poffins or however many you think is good then save your game and feed the pofins to the feebas, if the beauty stops going up when you feed that is perfect what you need to do then is just level it up. If you don't have enough poffins turn off your game and the poffins will still be there. That is how I did it. :D