: To maximize efficiency, only spend Cat Food on "11-draw" banners that explicitly guarantee an Uber Rare.
Do not roll rare tickets the moment you get them. Wait for or "Uberfest." These have a 9% Uber rate instead of 5%. Use your 4,500 Cat Food only on "Guaranteed Uber" events. Learn to "save scum" (backing up your save to test rolls) if you are on Android. Battle Cats Unlocked All Cats