User blog comment:Jopjopjop/Volume 19 Spoilers/@comment-74.12.67.106-20150112011851/@comment-16281343-20150112062756

Right now (in SlashDog), Walburga isn't the possessor of Incinerate Anthem.

And yes, it fights independently for her. She even called her BB as the "true" independent avatar type Longinus. As you may know, Canis Lycaon, Tobio Ikuse's Longinus is an independent avatar type.