Lucifer is now up against the Demon Lord of Sloth, Belphegor. Belphegor gathers her followers online, working with Mammon. Belial asks Belphegor to put an end to Lucifer once and for all. Lucifer ends up getting sucked into Belphegor's game, along with Maria and Levi. With a battle for the virtual world ongoing, and tensions building between Maria and Lucifer, just what will happen?
You're going to beat the Demon Lord, 
and trap her in an eternal prison.
Du wirst den Dämonenfürsten besiegen
und ihn in sein ewiges Gefängnis sperren.
Vencerás al Rey Demonio
y la atraparás en su prisión eterna.
Vencerás al Rey Demonio
y la atraparás en su prisión eterna.
Tu vas vaincre le seigneur démon
Tu sconfiggerai il Demone Supremo
e lo intrappolerai in una prigione eterna.
Você derrotará a Rainha Demônio e
 a prenderá para toda a eternidade.
Ты несомненно повергнешь демона 
и навеки заточишь её в темницу.