Childe is kindhearted and considerate to those close to him, teasing and gentle and always willing to spend his fortune for them. He is an occupational killer, prompting the need for a malicious and sadistic side of himself. He shows no mercy to his enemies, determined to get stronger and improve his abilities no matter the cost, often taking reckless risks for the sake of his long-term gain. He is witty and sly, with a knack for lying and a charming smile.