<P> Grimoire Heart (悪魔 の 心臓 (グリモア ハート), Gurimoa Hāto, Japanese text translates as "Devil's Heart") is the most powerful dark guild of the Balam Alliance, and is led by Hades . Next in command is Blue Note Stinger (ブルー ノート ・ スティンガー, Burū Nōto Sutingā), a massively powerful man with the power of gravity manipulation . Other members include Yomazu (ヨマズ) and Kawazu (カワズ), an anthropomorphic dog samurai and rooster, respectively . Yomazu uses an Eastern variety of Levy McGarden's Solid Script while Kawazu fires magic eggs from his mouth . The guild aims to revive Zeref, whom they assume to be in a weakened "sleeping" state, to bring about an apocalyptic world where wizards may thrive while non-magic users, who make up over 90% of Earth - land's population, will be annihilated . They travel the world on their airship and commit countless atrocities, including Jellal Fernandez's actions at the Tower of Heaven, to produce "keys" necessary to revive Zeref . Their discovery of Zeref on Sirius Island results in war with Fairy Tail, but the dark guild retreats following Hades's defeat . Afterward, Zeref denounces Grimoire Heart's plans as a fable created by his fanatics and kills Hades, which summon Acnologia to the island and causes Zeref to forsake the value of human life . </P> <P> Beneath Hades and Stinger are the Seven Kin of Purgatory (煉獄 の 七 眷属, Rengoku no Nana Kenzoku), an elite group of wizards trained by Hades and led by Ultear Milkovich who each specialize in a form of Lost Magic, ancient spells noted as being lost to history because of their enormous power and terrible side effects . Initially, the team includes Zancrow (ザンクロウ, Zankurō), a ruthless God Slayer (滅 神 魔 導 士 (ゴッド スレイヤー), Goddo Sureiyā, Japanese text translates as "god - slaying wizard") who can use black flames; Caprico (カプリコ, Kapuriko), a fusion of the celestial spirit Capricorn and human wizard Zoldio (ゾルディオ, Zorudio) who commands human slaves; Rustyrose (ラスティ ローズ, Rasutirōzu), who can bring anything from his imagination to life; Kain Hikaru (華 院 = ヒカル, Kain - Hikaru), a sumo wrestler who practices the Vodou - like ushi no koku mairi; and Azuma (アズマ), who can control trees and harness magic power accumulated in the earth . Merudy, Ultear's surrogate daughter, is also a member of the Seven Kin before leaving the guild with Ultear . </P> <P> Tartaros (冥府 の 門 (タルタロス), Tarutarosu, Japanese text translates as "Gate of the Underworld") is a dark guild formed by Etherious demons created from books written by Zeref . E.N.D. is a fire demon and Zeref's most powerful creation, whose soul is contained in a book kept by his second - in - command, Mard Geer Tartaros (マルド ・ ギール ・ タルタロス, Marudo Gīru Tarutarosu), another powerful demon with the power to produce giant thorn brambles . Tartaros's elite demons make up the Nine Demon Gates (九 鬼門, Kyūkimon) led by Kyôka (キョウカ), a female, avian demon with the power to reinforce people's strength and increase their sensitivity to pain . The other Demon Gates include Jackal (ジャッカ f ル, Jakkaru), a canine demon who can create explosions and turns anything he touches into a bomb; Franmalth (フランマルス, Furanmarusu), a cyclops who absorbs others' souls and copies their abilities; Torafuzar (トラフザー, Torafuzā), an aquatic demon capable of flooding areas with poisonous water and turning his body harder than iron; Ezel (エゼル, Ezeru), who can cut through anything with his multiple sword - like arms; Seilah (セイラ, Seira), a female demon who has control over people's bodies; Keyes (キース, Kīsu), a necromancer who reanimates dead bodies; and Tempester (テンペ スター, Tenpesutā), a bestial demon who makes imitative sounds that produce tornadoes, firestorms, and lightning strikes . Silver Fullbuster (シルバー ・ フル バスター, Shirubā Furubasutā), Gray Fullbuster's reanimated father, and a user of Ice Demon Slayer Magic, is also included among the Demon Gates as Keyes' unwilling puppet . Lummy (ラミー, Ramī), a bunny girl demon, is responsible for resurrecting demons killed in battle and transforming human recruits into demons, including Ziemma and his daughter Minerva Orland . </P> <P> Aided by the Magic Council's treacherous Chairman Crawford Theme, Tartaros assassinates most of the council's members to detonate the cross-continental Face bombs and neutralize Fiore's magic, thereby allowing E.N.D.'s resurrection . Their operation is interrupted by Acnologia, which brings the dragon slayers' guardians out of hiding to combat him, destroying the Faces in the process . In the meantime, Mard Geer is defeated by Natsu Dragneel and Gray Fullbuster . Zeref arrives shortly afterward to kill him for his failure and to retrieve E.N.D.'s book . </P>

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