Responses

It was chanton. The empress was questioning his loyalty to her so she ordered him to assassinate the prince. But we know that chanton and perez is secretly an alliance iand is actually plotting for the empress's demise so perez knew about it. But I think he will reprimand chanton about this incident cuz tia got hurt as well despite him being on the verge of dying ( ̄з ̄)
In the novel, there encounter with the assassin's were longer and a lot happened. Tia realize why Perez wasn't able to fully utilize his power, it's because he's protecting her. And she also realize who that main assassin is...