Nutrollio

I was attacking a city with a large army, the army leader champion ( we'll call him Max) attacked with 2 other champs an troops (3 champs & troops). The leader of the army, Max dies so did 1 champ, but I still won. When I return to the map, only Max was at the newly occupied city, both other champs were at a nearby city, and ALL the troops dissapeared. One champ was still alive during the battle but got sent to the nearby city with the dead champ. Why did the

Guys, you were right, it was a group of 3, not just 1, ty for the help.

I think I have a bug, according to my resource bar, I have 36 metal, but it does not let me build any units that need metal to train, ANY metal unit at all. It cost me 21 metal to train a defender, but it says "not enough metal" ? why, am I missing something here?