LOTM: Dark Skies S1 P17/Transcript

(All of the heroes are seen walking into the large chamber from different entrances. They all look up at the ceiling, finding a strange sight)

Seris: What the fuck?

(The scene shows a large deformed heart hanging inside the chamber)

???: So...You've found it.

(The heroes see Leon walk out from behind a wall)

Lenius: You!