Herrscher of Sentience is a major character in Honkai Impact 3rd, born from the consciousness and power associated with the Herrscher of Sentience core. She is a witty, mischievous, and highly intelligent being who often appears in the form of Fu Hua, using her abilities to manipulate minds, memories, and perception. In the story, she serves as both an antagonist and an uneasy ally, playing a key role in major conflicts while also adding humor, unpredictability, and emotional tension to the series.