B Ionian ♯2 Scale
B Ionian ♯2 contains 7 notes: B, C𝄪, D♯, E, F♯, G♯, A♯. It has 4 sharps: D♯, F♯, G♯, A♯. The step pattern is W+H–H–H–W–W–W–H.
A major scale with one exotic twist: the 2nd is raised by a half step. Everything else is pure major, so the exoticism is contained in a single interval — creating a subtle "almost normal but slightly off" effect.
The formula is 1, #2, 3, 4, 5, 6, 7. The #2 creates an augmented 2nd from the root, adding an unexpected exotic quality to an otherwise completely familiar major sound. This contained exoticism makes it useful for subtle disorientation.
Use your major scale shapes and raise the 2nd one fret. The #2 works best as a passing tone or brief color note — land on it momentarily before continuing through the rest of the familiar major scale. Effective for creating a sense that something is slightly "off" in an otherwise normal passage.