Blue Dragon  

In the series "blue dragon," shu owns a shadow version of the mythical creature known as the blue dragon. this dragon frequently employs sword attacks infused with magic. initially, the blue dragon does not cooperate with shu until their confrontation with ivanov and gustav, during which shu gains sufficient power to control him. despite this, the blue dragon remains dismissive of shu and consistently belittles his actions throughout most of the anime. the dragon is portrayed as having a highly aggressive personality and an indifferent attitude towards others, prioritizing only its own interests.