C103 Pig Riding
Because the mountain range was tall and the Orc Plain was low, if they wanted to enter the Sky Dragon Empire, this low-lying basin with a slope was undoubtedly the most suitable choice.
But by the same logic, as long as there were garrison troops, they would set up a trap at the top of the basin. It was undoubtedly a hopeless barrier against the Beastmen who wanted to come up from the plains