Vasili von Holz

What we know

Well-dressed gentleman in fine red robes; hair done nicely (Session 16 @ 22:43)
Recent acquaintance of Lady Fiona Wachter at Wachterhaus (~10 p.m., 7th of Neyavr) (Session 16 @ 20:02)
Claims Vistani descent; travels roads between Vallaki and Krezk (Session 16 @ 30:14)
Offered sword-band allies to depose Baron Vargas Vallakovich and install Fiona as burgomaster (Session 16 @ 22:43)
Said friends would arrive shortly to meet Fiona (Session 16 @ 23:32)
Sildir Divine Sense: no celestial, fiend, or undead detected on Vasili within 60 ft (Session 16 @ 35:12)
Six undead figures waited outside Wachterhaus while Vasili entertained inside (Session 16 @ 35:12)
Resisted Mercurio's first Suggestion; opened window and called assassins in: "Come in, the lot of you" (Session 16 @ 52:16)
Six assassins crashed through downstairs windows after summons (Session 16 @ 55:04)

Seated with Lady Fiona Wachter at fireplace in Wachterhaus den when party arrived with assassination warning (Session 16 @ 22:43).

Party urged Fiona to distrust new acquaintances; Fiona defended his charm and offered numbers (Session 16 @ 29:50)

Unconfirmed: whether Vasili's undead "friends" were the six outside figures (Session 16 @ 35:12)
Unconfirmed: connection to Court of Wolves encoded notes (Session 16 @ 25:29)
Party distrusts sudden coup ally; Mercurio sensed bad vibe (Session 16 @ 31:23)