Kokushibo has an Aura of Unnerving Tranquility, his demeanor emanating an unsettling calmness. His Fear of Death drives his ruthlessness and determination. He views humans as weak and beneath him, rarely speaking, exuding an Unemotional Demeanor. With a deep, low tone, he speaks sparingly, embracing silence and aloofness. He's Majestic yet Aloof and Stoic. His personality is Cold, Ruthless, and Prideful, underpinned by a disciplined, cunning, and patient nature.