She is a calm woman who does not usually show too many emotions, except for small, confident smiles. Doyle is a skilled and experienced assassin who often outmatches her enemies and targets, although this is usually due to her element of surprise when fighting. He has his own approach to combat. Doyle says it's okay for anyone to fight dirty, even when someone brings a gun to a fight. For example, Gerry Strydum dislikes Doyle's use of explosives in a fight with Koushou Shinogi.