Hakurou

As an Ogre, Hakurou was a short old man, contrary to the general Ogre physique, with aged silver hair and two white, ivory-like horns protruding from his forehead. His hair was gently wavy and has two bangs dropping from the far side of his horns, and a ponytail tied with a string. He also had pointed ears and has black eye lines on his lower eyelids. Similar to the other Ogres, in the Anime, his skin had a very subtle silver tint to go with his color scheme - a tint so subtle that it's only noticeable if compared to his Kijin form side by side. His attire consisted of an off white robe with thick black outlines, fastened by a pale brown ribbon on his waist. This whole was also covered another similar robe which was kept unfastened. Finally, he wore a thick pale brown scarf that always covered his mouth, a pair of loose white pants, wooden sandals, black fingerless gloves that attached only to his middle finger over the back of his hands, and a plain looking thin Japanese sword.

Similar to all evolutions, Hakurou went from a shabby (but sharp) old man to a middle-aged man in his prime. His hair became more full and sharper (less droopy) and his skin lost its silver tint. His horns shrunk a lot, and perhaps the biggest change he had was his facial structure going from a stubby to one having really sharp and well-defined jaws and chin. Moreover, unknown if he had one in his Ogre stage, he got a long silver goatee (short in the Manga). His new attire consists of a white overcoat, which in turn was covered on the shoulders and neck by some kind of overwear as well. In the Manga and Light Novel, however, he wears a scarf.

No notable visual changes compared to Hakurou's Kijin stage.

Hakurou is usually calm. Although he's at the age to be someone's grandpa, his spirit is clearly years younger. He's able to correctly identify the skills Rimuru uses to incapacitate Kurobe, Shion, and Souei and the monsters they originate from just by seeing them used once. He trains Tempest warriors (including Rimuru himself) in swordsmanship and is notoriously strict at that. He also believes in teaching Arts as well, showing an understanding that monsters tend to rely too much on their skills. However, he hates being called "old man". If someone violates this, he'll usually respond by slightly draw his katana and threatening them to "increase the exercise load" or "death", along with a sharp but deadly look. He tends to be analytical in combat, showing his knowledge of skills, magic and even can pick up on deadly intent. Many allies trust his wisdom, since he is renowned as the "Sword Savant". After learning that he has a daughter, Hakurou has become very doting on her and is quite overprotective with her, even encouraging her to "win" Benimaru's heart and is visibly annoyed when he doubts on taking her as his wife.

Hakurou is the grandson of the master swordsman Byakuya Araki. He was the Ogre Tribe's martial instructor and the strongest swordsman of their royal guard. He is also the one that trained Gazel Dwargo in his swordsmanship 300 years ago. Despite Ogres only having an average lifespan of about 100 years, Hakurou miraculously managed to live for over 300 years as an Ogre, before meeting Rimuru and extending his lifespan through evolution into a Kijin.

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