The assassin put up an act trying to forcefully spit out the liquid but magnus covered his mouth with his palm and punched him in the guts forcing him to gulp down the liquid, once again magnus had played into his hands, the healing potion consumed almost all his energy and left him with fumes but that was more than enough to execute the plan he had in mind.
Magnus broke his fingers and crushed them till the pain receptors in them stopped working, at that point the assassin could no longer feel his arm, magnus stood up to catch his breath and the assassin let out a sigh of relief but before he could say the words necessary to activate the arcane circle, magnus returned to his side and broke his right clavicle.