This post contains SPOILERS for LEGO Star Wars: Rebuild the Galaxy ... Anakin Skywalker changes into Darth Vader and chases some nearby kids, referencing the younglings he killed in Star Wars ...

Darth Vader was building his fortress on Mustafar with the help of a long-dead Sith, Darth Momin. Momin’s essence was linked to his mask, giving him the ability to possess any host who wore it.