The black goo started spreading. It also splits into small pieces. They were moving fast like they were desperate to do something. After that big goo came to the lab, the portal closed. The goo started to split into ten's of thousands of pieces. It all looked like they all had a concius mind of its own.
The goo started looking for something. It's movement were so fast like no one could see it. The biggest part of the goo went into the ventilation. The black goo reached the lobby. There was a girl sitting, she was crying because she just came to visit the place with her father, and got stuck there. She saw the black goo slowly moving towards her.