Cian Tuatha Dé

Cian Tuatha Dé is the father of Lugh. He trained him as an assassin.

Appearance
Cian is an adult man with short brown hair and mustache.

Personality
He considered himself as the strongest assassin in Tuatha Dé's history, but seeing Lugh Tuatha Dé capabilities, he realized he was going to surpass him. He is a loving father ready to do anything for his son, but also a coldhearted assassin. He believes certain "infections" in the world can only be "cured" by assassinations and wants to make the world a better place. He didn't want his son to be pure coldhearted killer and for that he though him the value of human life.

Background
When Lugh was born, Cian explains that he will bring him into the Tuatha Dé's clan as the world needs them. He promises Ethilu Tuatha Dé that he won't let him die.

Initially he raises Lugh as a normal boy, but still revealing their family secrets. Eventually he starts training him as an assassin. However, he didn't want Lugh to be just a tool and had raised him to understand the human heart and make decisions for himself.