2x5Servitude for This Masked Knight! Episode Summary Aired: Thursday February 9, 2017
As a result of a magic circle that Aqua had drawn in Keele's dungeon, strange explosive doll monsters have started to appear, putting the town at risk. Investigating the dungeon once more, Kazuma and Darkness discover the archmagician behind the dolls to be one the Devil King's commanders, Vanir, who has the ability to read minds. Although he appears to be defeated following a lucky attack, Vanir attaches his mask onto Darkness and possesses her body, only to be completely put off by her masochism. After Kazuma cleans up the magic circle and placing a seal on Vanir's mask, Vanir attempts to use Darkness' body to take vengeance on Aqua. When removing the seal fails to do anything, Kazuma has Megumin cast Explosion to destroy Vanir. Afterwards, Darkness is faced with the embarrassment of everyone calling her Lalatina, while Kazuma has his debt cleared and is given a hefty reward for defeating Vanir.