Three years later, the lifeform had full integrated to the system and so, Penny started to regain her true identity. The Eighth Doctor and Penny visited Blackthorne. Penny was able to access the room in which the lifeform was stored simply by touching the door, even though it was padlocked. She fully regained her memories and fought with the Doctor on the rooftop. The lifeform used the gas system to release Pyrodines into London.