Star Force
"Boktai DS", the Japanese version of "Lunar Knights", continued the crossover-promotion the series had with Capcom's "Mega Man" franchise since "". Django and Sabata fight Ox Fire, one of the enemy FM-ians from the original "Mega Man Star Force", as a hidden boss. If they are successful in defeating him, War Rock can assist them as a seventh terrennial. Players can also obtain exclusive items by transferring game data from "Mega Man Star Force" into "Boktai DS".