Progression
The ii–V–i (minor) in B minor
ii–V–i (minor) in B minor plays C#m7b5, F#7 and Bm — iiø, V and i — across 3 chords. The minor-key version of jazz's core cadence: a half-diminished ii, a dominant V that borrows the raised seventh, and a minor tonic.
The chords, in order
1C#m7b5iiø
2F#7V
3Bmi