>>96786646
There is a weird extract showing Orcs having beaten down a city and killed the defending army. They breach the gate and the Goblin in command asks if they're going to kill them. The Orc boss smacks him and says the fight is out of these lot, let's attack the nearby bigger castle for a fight. This is from the 8th edition book near the opening pages.

So while Orcs are capable of being evil, cannibalising monsters, they do sometimes show "restraint" so this is feasible >>96784325