"Seize the king! His Excellency, Lord Lushak, has decreed that whoever captures the king will be rewarded handsomely! Kill everyone else!" <Rebels >
When the rebels broke into the king's ranks, they were quickly intermingled and the Royal Guards and the maids captured, many being assaulted on the spot as the horde of rebels descended upon them like jackals.
"Your Majesty, we'd better split up and run. They're after you, Your Majesty." <Dolfe >
"I can't die yet....! Come on, say something!" <King Carthage>
"Please change into the clothes of the chamberlain. Then put His Majesty's clothes on the chamberlain and make him like His Majesty. Most of the rebels were in the provincial territories so they will be fooled." <Dolfe >
Serena's good looks were widely known in Carthage so she stood out.
If there was someone dressed as a king with the queen, they would normally think it was the king and they would pursue him.