After defeating his father Artroia Pendragon, Mordred started to carry the sword Excalibur, she carries it along with her other sword Clarent, Mordred has a firm and serious posture, her look that was once optimistic is now an empty look and full of regrets, also. Mordred has a strong British accent.
Clarent Blood Arthur by using her Mana Burst Skill to force her excessive hatred for her father into the sword in the form of magical energy allowing her to cut down most Servants in a single slash