As an adult, Aku will become a great explorer driven by a deep desire for revenge against the oppressive society of Mandalphe and the colonial system that keeps other nations in poverty. Having grown up in injustice and hardship, he will evolve from a dreamer into a man determined to overthrow this unequal system. Aku will use his knowledge of the outside world and his skills as an explorer to become a formidable threat. His initial quest for freedom will turn into a resolve to destroy Mandalphe and its leaders, making him a terror for the future of this society.