I'm sure you never expected this to be the price of your freedom: a bloody bath and a water-logged wizard.

[He leans out of the tub, grabbing the carafe of water on the nearby table. Setting the one washcloth aside, he conjures a fresh one before using the clean water to rinse the crimson droplets from Astarion's hair.]

I could always call Shadowheart in here to purify the water for us.