The search for the Pledge Stone is on, and as things starting heating up on the frozen Halcyform sect, Lina encounters Seigram, the Mazoku that Halcyform made a deal with. And he want her to...what?! Make a pledge with the Mazoku race?! Will Lina's thirst for power override her better sense? Will Halcyform's love for science or Rubria be his undoing?