He developers are laughing at us al the way to their banks. So if you like playing games That seem designed to be frustrating for no reason I can guess except that player spend more money :, They have "cruise" you can send your top 15 heroes on.. But once you have NONE of them are available to create more powerful heroes for TWO Weeks! Seems like a clever design to effectively take away a bunch of game progress... Of course for bunch cash you can fix it