Gregorius Boss BGM [ Theme 158 ] - Blue Archive
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Soundtrack, Blue Archive Wiki
![Gregorius Boss BGM [ Theme 158 ] - Blue Archive](https://static.wikia.nocookie.net/blue-archive/images/2/23/Kaiten_FX_MK.0_Icon.png/revision/latest/smart/width/386/height/259?cb=20210815152037){kind=icon}
Gregorius, Blue Archive Wiki
![Gregorius Boss BGM [ Theme 158 ] - Blue Archive](https://i.ytimg.com/vi/7kr3f2yLLxw/hq720.jpg?sqp=-oaymwE7CK4FEIIDSFryq4qpAy0IARUAAAAAGAElAADIQj0AgKJD8AEB-AH-CYAC0AWKAgwIABABGGUgZShlMA8=&rs=AOn4CLBEOlqm_iL1MQ24__qXJiLiVhvzPg)
Gregorius Battle Theme (quilt heron remix) / Blue Archive
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![Gregorius Boss BGM [ Theme 158 ] - Blue Archive](https://i.ytimg.com/vi/TL8wmKkFhsA/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLBHXqwtYvLxmM9VjglocQRSp7KfeA)
Blue Archive OST - Theme 158 (Gregorius Raid Boss)
![Gregorius Boss BGM [ Theme 158 ] - Blue Archive](https://i.ytimg.com/vi/uwtQscplPGs/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLApRlPQYZ6woxZVJW6bl97LB1zGaw)
Gregorius boss theme [Blue Archive]
![Gregorius Boss BGM [ Theme 158 ] - Blue Archive](https://i.ytimg.com/vi/0soA-p8wIWk/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLC3sgHKueMLOGf10auvFpkS3oUzuA)
Blue Archive OST - Theme 158 (Gregorius Raid Boss)
![Gregorius Boss BGM [ Theme 158 ] - Blue Archive](https://i1.sndcdn.com/artworks-dabgWiv9DCDNnE91-hVy2Dg-t240x240.jpg)
Stream ブルーアーカイブ Blue Archive OST 158 (raid Communio
![Gregorius Boss BGM [ Theme 158 ] - Blue Archive](https://i.ytimg.com/vi/2pctbUOFCNg/maxresdefault.jpg)
Gregorius boss theme [Blue Archive]
![Gregorius Boss BGM [ Theme 158 ] - Blue Archive](https://i.ytimg.com/vi/k0MnvAEHB2M/sddefault.jpg)
Gregorius」 Piano Performance (Teaser Ver.) / Blue archive Total
