Balthazar performs the Ritual of Cleansing two separate times upon returning to his quarters. When spending the day in the company of unclean psykers, one can never be too careful.
As he cleans himself, Baltasar takes a moment to reflect on the day's events. They altogether had been quite successful in their investigations and other than some verbal altercations no problems really arose. Ariel and Estelia were surely inexperienced with life outside the convent, but they had proven to be quite resourceful. He had high hopes for the days ahead.