Was this the true strength of a kingdom?

In the hobgoblin royal city, the teleportation array within the city began to glow green, and one by one, hobgoblin lieges emerged. They were all Monarch level, usually stationed to guard other hobgoblin cities. There were over twenty of them, representing the last reserves of the entire hobgoblin kingdom.

Inside the palace, the elderly hobgoblin king received infuriating news. The goblins had betrayed them, seeking to establish their own kingdom and break free from hobgoblin rule!

The aged hobgoblin king trembled with rage. Those filthy goblins chose this moment to rebel. Although the goblins were weak, they did have a few Monarch levels among them.

The hobgoblins treated the goblins poorly: not allowing them into the city, using them as cannon fodder in battles, making them do hard labor, and not paying them while taking their females. And for this, they dared to rebel?