Vaizen (ヴァイゼン Vaizen) is TSAB-world status::administrated location size::world No. N::3 and the homeworld of Tohma Avenir and Alto Krauetta. Vaizen appears briefly in chapter 2 of appears in::Magical Chronicle Lyrical Nanoha Force. It is an apparently technologically advanced world and its capital, Sea Bridge, is the site of Fate and Shari's investigation of the Silver Cross. In chapter 6, it is revealed that the newly-formed Special Duty Section 6 has a base on Vaizen. It is also the homeworld of Caledfwlch Techniques.