Identity of the killer

After exiting Vilnius's room, Michael propelled himself skyward, swiftly cutting through the air as he headed straight for Durran. Eventually, he descended gracefully onto the roof of the three-story building that housed the barracks of Officer Barug, the captain of the city guard. 

"Let's use our little friends," Michael said, taking out the drones, 

Deploying drones, he sent them flying around the building to survey the area and provide him with additional eyes.

Meanwhile, the dark clouds above loomed ominously, yet no rain fell. It was a stark reminder of the consequences of Rainar's death. 

"There it is, our way inside," Michael peered through the drone feed and spotted an open window on one of the building's upper floors. 

Without hesitation, he jumped off the ledge and, focusing on a shadow through the open window, used his shadow teleportation ability to transport himself inside.