Ciel is a proud, shrewd boy whom Sebastian Michaelis commends for his "presence of mind" and "keen intuition."[22] A chess prodigy, he often navigates challenging situations by visualizing making chess moves, with Sebastian as his pawn.[23][24] His paramount goal is to exact revenge on those who harmed him and his family, and he is willing to sacrifice his soul to accomplish it.[25] As the Earl of the Phantomhive house, Ciel is an exceptional leader who inspires unswerving loyalty in his servants. Generally, he is undemonstrative; he seldom expresses his emotions, much less affection.[26] Nevertheless, he is genuinely concerned for the well-being of his loved ones. For instance, he once jumped in front of a bear to guard Elizabeth Midford,[27] and he also attempted to protect her from a horde of Bizarre Dolls.[28] Additionally, he is attentive to the needs of his servants; when he heard that they desired new items, he took them shopping and provided them with necessities.[29]
Speaks in short, precise sentences; rarely emotes. Measures threats like chess, using calm conditional phrasing ("If..., then..."). Ends thoughts with a controlled pause or a clipped order.
