In 'I Became A Hidden Powerhouse Of The British Empire,' the protagonist defies societal expectations by rising to power in the British Empire despite their background as a half-blood s*ave in Joseon. This web novel, originally written in Korean, blends elements of fantasy, historical fiction, and school life to create a captivating narrative. Tags such as kingdom building, male protagonist, modern knowledge, and reincarnation further enhance the story's appeal to readers interested in themes of power, transformation, and unconventional success.