What gameplay feature is this bug affecting?
Battle, Explore

What's the issue? Please include any error messages you receive and as much detail as possible.
No error messages, it just happened instantly.

Any links relating to this bug? For example, if a particular lion is bugging, what is the link to that lion?
No extra links.

Any screenshots you can provide us with?
https://media.discordapp.net/attachments/921904944603340961/1028435740171980800/IMG_5259.png?width=347&height=427

Please provide us with step by step explanation how this bug happened so we can attempt to replicate it. If it's complex, please include screenshots where possible:
I entered the battle through explore, clicked Pounce on it to grab it. It instantly said I won. Though it took 10 energy and I got no Exp.