Warrior Kings: Battles. Developed by Black Cactus. c2003 Empire Interactive Europe Limited. Empire and "(E logo)" are trade marks or registered trademarks of Empire Interactive Europe Limited in the UK, Europe and/or other countries. Warrior Kings is a trademark of Black Cactus Holdings Limited, used under licence by Empire Interactive Europe Limited. All other trademarks and trade names are the properties of their respective owners. All rights reserved.