Not much could be seen from the window because not only was it far away, but the smoke blocked the whole scene, yet the sounds of explosions were as clear as the crowing of roosters in the morning.
Stepping back for a few seconds. After Arturios disappeared from the Heavenly Palace office in seconds he arrived at Silvio's office. The latter was sitting in front of his desk reviewing some documents, when he heard, "So you are the spy of Tripia's kingdom."
Silvio was caught off guard and for that reason instead of denying the accusation or acting scared or confused, to try to justify himself, what he did was to run away because at that moment he could only think that he had been discovered.
He moved at great speed towards the window, with the objective of escaping, but Arturios did not allow it, and waving his hand, an invisible force shot out and impacted Silvio sending him flying along with part of the wall of the building.