Although a majority of the Kingdom of Black Rose's population and military power was concentrated in Blackthorn City in the far north to guard against the invasion of Gehenna, the kingdom wouldn't leave its other borders completely unprotected.
Queen Henrietta would have set up at least two methods to grasp the situation of her entire kingdom.
"Does Queen Henrietta not know what's happening here, Astoria?" Vaan wondered.
"That shouldn't be possible." Astoria shook her head, trying hard not to smile after hearing her name so she could answer Vaan's question seriously. "Her Majesty's palace is the tallest magic tower in the kingdom."
"Even if it takes two weeks of traveling by foot, it can still be seen from Redpine City. Although the Red Goblin Mountain completely blocked Sunpeak Town from view, Her Majesty is a fire specialist."