Phee- Pheeek-!
The small whistle sound cuts through the air and spreads out.
It was a faint noise barely within the human audible frequency range, but at least the nearby assassins could definitely detect this signal.
Upon hearing the sound, the assassins simultaneously changed direction and began to swarm in. This had been repeated several times already.
“Damn it……!”
Number 21 bit his lip. They hadn’t even properly infiltrated yet, but they were already being herded by the enemies.
He was confident that his “Aura Concealment” wasn’t at a level to be easily detected, so who on earth was informing them of our position?
“Moreover, there are more of them than I thought. I should have considered that most of them are using Aura Concealment!”
It was a disaster. At this rate, far from eliminating all of them, they would end up trapped in the encirclement and inevitably counterattacked.
But then, right next to Number 21, the deflating whistle sound was heard again.
Pik- Piik- Pik!
The problem was that the one blowing the whistle wasn’t the assassins, but the intruder himself who had stormed into this place.
“Gasp!”
Number 21 was horrified and snatched the whistle from Prince Morres.
“What on earth are you doing! Are you trying to openly tell them our location?”
He had wondered why the prince was so diligently rummaging through the dead assassins’ belongings every time. If he had known the prince would blow the whistle so blatantly, he would have stopped him earlier!
“It’s fine.”
But the prince,…