Shiranui figured it would take a while for Kalaama Kirara to be forgiven for her treatment of Dragapult, but after seeing the two Pokémorphs shake hands he knew it would be a matter of when.  He also figured that Dragapult still had some lingering fear of Saisei and he couldn't blame her—the Mewtwo's presence was very frightening in the time prior to their capture thanks to his Gardevoir being unable to use her psychic abilities for a while after her battle at the Viridian Gym.