Yuuki Terumi is the main antagonist of BlazBlue. He is an aggressive rushdown Style of play where you constantly attack the opponent in close range fighting, never giving them an opportunity to retaliate. character centered around meter; a majority of his Special Moves acts as Distortion Drives and cannot be used without at least 50% of Heat. His Drive, Force EaterGuardAllStartup13Recovery18Advantage-3, allows him to gain Heat faster on hit or block, far beyond what most characters normally get.
In the story, Terumi was one of the Six Heroes, as well as the creator of the Blue Grimoire, one of the founders of both the World Void Information Control Organization and the 7th Agency. His existence requires people to hate him, which unsurprisingly earned him the contempt of almost every character in the BlazBlue, especially Ragna the Bloodedge and Kokonoe. Due to his actions thoughout the series, he's cementing himself as Ragna's eternal enemy and the biggest hater in Arc System Works history.