My pet's fed and fun are both in the green and she's at full health, but when I go to the colosseum I'm told I have no eligible pets to fight. I'm not sure what else the problem could be.
Is your pet already in a battle? Check the statistics page to see if she is.
My Battling Tumblr
Buying discounted Kumos items and intelligence boosters.
Comment/sMail me if selling.