You follow her instructions carefully and manage to open up the ventilation shaft as she instructed. Inside, you find a series of narrow passageways leading deeper into the building. As you move through them, your surroundings begin to change, revealing the inner workings of Vishkar's security systems.

"Excellent," Symmetra says with a note of approval in her voice. "Keep going until you reach a T-intersection. Then take a left and continue down that tunnel for about twenty meters."

You navigate the ventilation system as instructed, eventually reaching the T-intersection and turning left. After traversing the required distance, you find yourself in a small control room with a single computer terminal. Upon approaching it, you see a message flash across the screen: "Access granted."

"Well done," Symmetra says with another nod of approval. "Now that you're in the system, I can begin to manipulate things remotely. Just follow my instructions and do whatever I tell you to do from here on out."