is a 1989 Japanese video game for the Nintendo Famicom home console. It was developed and published by Irem. Story It is the 666th year for the world of magic, and the Crimson Kingdom is facing destruction at the hands of The Black Slayer, Demon King of the Underground Dark Empire. Realizing that his days are numbered, the 16th Crimson Emperor, Ronnie IV, decides to entrust his two infant sons, Randy and Zakk, to his faithful servant, Ozzy. With Slayer's forces closing in, Ozzy, Randy and Zakk escape to another dimension, with the hope of eventually bringing light back into the world. Over the following 17 years, Randy, Zakk, and Ozzy devote and train themselves to the cause of Magic Justice, becoming wizard kings. Meanwhile, Black Slayer has increased his empire over the countryside, making his interdimensional forces even stronger. In order to defeat Black Slayer and his army, Randy must retrieve the Five Crimson Emblem Seals. Making matters worse, Randy now must wage his war against Black Slayer alone, for Zakk suddenly goes missing and Ozzy passes away. Gameplay The game consists of six stages in total. After defeating the boss at the end of each level, the player can learn magic spells such as a spell that can freeze lava. It is similar to the game Getsu Fūma Den. In fact, one of the stages has sprites and graphics similar to those found in Konami's other game, Contra (the final boss is also very similar to Contra's). The HUD is like the one used in Nintendo's Zelda II: The Adventure of Link. The player has an infinite supply of fireballs to attack enemies. These enemies include gargoyles and flying eyeballs. In order to find and defeat Black Slayer, the player must travel through six stages, which primarily consist of forests, castles, and caverns, all while seeking the Five Crimson Family Seals. The seals are powerful magic spells, which are Twin Fire, Blizzard, Rock Breaker, Overdrive and Thunder. In addition to acquiring the seals, the player must also seek out the Bracelet, Jump Boots, Wizard's Staff, and the Cape of Protection, all of which assist physical strength and endurance. Development Developed by Japanese videogame company Irem, the game is based on the 1983 album Holy Diver by Dio; however, it's unofficial and has no connection with the band. The game has four main characters, named after musicians Ronnie James