Amidst the Wind Blowing Through the Battlefield.
Ramsus informs Basara that he plans to extract Mio's powers, as he feels that she does not deserve that power since she established her contract with Basara. However, Shella implores everyone that disagreements will not solve their problem while teleporting Basara to a bath house to find Zest, who is only covered by a towel. Under Shella's suggestion, both Basara and Zest agree to perform the Master Servant contract. However the curse is activated immediately due to Zest's own feelings, which she thinks are a hindrance to Basara. While forcing her to submit Basara discovers Zest's weak spot are her pointed ears. On the next day, Wilbert Town is invaded by "Heroic Spirits" led by Gald, who warns that he will destroy the city should Mio remain hidden. To prevent the invasion, Yuki, Kurumi and Zest set off to defeat the invading "Heroic Spirits" while Mio had to stay behind as Claus states as due to political issue. Meanwhile, Basara and Gald fight each other in a duel but Nebra arrives and blasts Basara away. Mio loses her temper defeats the last Heroic Spirit. Fearing over the consequences of failure, Nebra has to kill Mio but fails when Ramsus and Basara intervene. Basara interrogates Nebra over the invasion, only to witness Nebra's death by the "Master Servant" pact to prevent him from turning on his master. Lars arrive to retrieve an unconscious Gald while declares to Basara that they will fight in their next encounter while informs Toujou Household and allies that Leohart wants to meet him.