Heart words was harsh perhaps but he tell the truth. They NEED to save Star City and maybe the world, and they dont have much time to make Nathan feel better everytime he loose a battle. Nathan, Ventus and Shiva its not the only ones worry about Star City, but Heart too for all Pokemon and people there, and the inocent lives who was in danger. Thats why he say that words to Nathan to see if he can act or antyhing, because if not...he will go foward not waiting for Nathan. The only one who can help Nathan its Nathan itself. Heart is kind and gentle, but he knows how to be hard and harsh when needed.
Kogeki currently ability to active in battles: Anticipation.
