The castle was shaking violently due to the assault of the elite forces of the Crimson Sun Empire.
It wasn't confirmed how they got here in the first place; the only theory that made sense was that rather than reaching the capital by land, they crossed by the ocean instead. Once they reached shore, they managed to stealthily reach the capital of the empire without being seen.
But then came the contradiction: if somehow this indeed happened, how did they manage to enter in the first place?
The security around the capital is the most structured out of the whole empire. There isn't a way that they would be able to overlook close to a thousand men by the enemy empire!
'The only way to explain is if they already had a spy inside the empire,' Elysia thought.
But if that was the case, then how would the spy know when to come out and help the enemy army? It wasn't like the Crimson Sun soldiers could signal that they had somehow reached the capital.
