Master Xehanort is a central antagonist in the Kingdom Hearts video game series. He is a powerful Keyblade Master known for his ambition to understand the nature of light and darkness. Xehanort's quest for knowledge leads him to manipulate events and characters throughout the series, often causing conflict. Xehanort is characterized by his ability to travel through time and his use of various forms, including Ansem, Seeker of Darkness and Xemnas. His ultimate goal is to create a new world order by forging the Keyblade War, which he believes will lead to a balance between light and darkness.