Ten Minutes

Based on their calculation, Gus had around ten seconds to get through the door to the room where the mainframe was without getting detected—within this short period of time, security shouldn't be alerted that someone opened the secured door before the generator kicks in.

He swiftly put on high-tech night vision glasses and without any delay, he dashed towards the restricted door, pushed it open, and shut it close.

The cold temperature inside the room hit his skin and he immediately examined the whole place. The room was enclosed with the top half of the wall made of glass while the bottom half was made of cement. Huge system boxes made of metal filled the massive room. Then, the lights had gone back up outside.