KING OF FIGHTERS EX2 - Howling Blood - Game Boy Advance Longplay [RYO, TAKUMA, IORI TEAM] (FULL GAMEPLAY). The King of Fighters EX2: Howling Blood is a fighting game released by Playmore, MMV and Sun-Tec for the Gameboy Advance. It is based on SNK's The King of Fighters series of fighting games and is the sequel of The King of Fighters EX. It was also ported for the N-Gage as The King of Fighters Extreme. STORY: In this storyline, there are not three sacred treasures, but ten. A man named Gustav Munchausen is trying to revive the spirit of Leopold Goenitz by channeling it in a boy's body. The boy, Sinobu Amou, is one of the ten sacred treasures, and Gustav hosts the King of Fighters EX2 tournament to test his new weapon's power.