@forkerc
Pets (I think) gives you EXP and the lower it is better EXP that's why we change them 15/17 levels.
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@TalkingToTheMoon
as for that you'd have to ask the person who uses fish XD I tried searching it for you but all that came up is FISH URN xD hope you find luck finding fish (prolly Jelly Fish)?
Gooblah.