Salkov

Theta's colleague in the Fourth Prince's household and her confederate in the instruction plot. More cautious than Theta; follows her lead with visible dread.

Addendum ch.402With Theta down after the failed killshot, he runs the prince's Zetsu drills alone — timing activations that fall from ten seconds toward one in days, losing faith in himself with every stopwatch click. He suspects Tserriednich activates some ability during Zetsu and that even Theta's testimony may have been manipulated by the beast.