How can a player tell if there is a problem with troops/pets/heroes/etc.?
-Check game guides available
-Check forums/ask other players to see if they are experiencing the same or similar issues
If a player is certain there is something not right in game with troops/pets/heros/etc, please report to the game forum under "Bugs and Reports" section. Use the search function first to avoid having multiple threads on the same subject.
What does R2Games need if there is a problem?
Any sort of documentation proving there is an issue with troops/pets/heros/etc. This may include a video, screenshots, and details as to the mechanics on how it's meant to work, as well as how it is not working.