Forced to work in the Tower of Heaven as a slave by a cult of Zeref worshipers who aim to revive the black wizard, Jellal Fernandes (ジェラール・フェルナンデス, Jerāru Ferunandesu) is manipulated by Ultear Milkovich into serving Zeref under the guise of his spirit,[ch. 102] prompting Jellal to turn on his childhood friend Erza Scarlet and takes over the tower's construction.[ch. 83] At some point, he is appointed a member of the Magic Council and one of the Ten Wizard Saints as Siegrain (ジークレイン, Jīkurein), a psychic projection of himself.[ch. 1, 48, 95] Using Heavenly Body Magic (天体魔法, Tentai Mahō) techniques, Jellal can boost his speed to imperceptible levels, and produce powerful energy-based attacks akin to falling meteors.[ch. 96] Masquerading as Jellal's good twin brother, "Siegrain" tricks the other Council members into firing Etherion at the tower, allowing it to absorb the weapon's magic energy to become operational.[ch. 94] He then attempts to sacrifice Erza to reincarnate Zeref, killing their friend Simon in a duel against Natsu Dragneel. He is defeated after Natsu consumes Etherion's residual energy to achieve Dragon Force, and is seemingly killed after the tower's destruction.[ch. 97-101] He is later found alive by the Oración Seis and revived to serve the dark guild, but suffers from amnesia and is shocked to learn of his past misdeeds from Erza.[ch. 136, 145] Despite fighting the Seis with Fairy Tail to atone for his actions, Jellal is arrested by the Magic Council and detained.[ch. 162] He eventually regains his memories before being liberated by Ultear and Merudy, who join him in penance by forming Crime Sorcière.[ch. 263] Reconciling with Erza afterwards, she expresses her feelings for him which he does reciprocate. Jellal, however, decides to not enter a relationship with her as he believes he is unworthy of her due to his past sins. He is eventually pardoned of his fugitive status by Hisui. Hiro Mashima created Jellal as a "self-parody" of his previous series Rave Master, modeling the character's appearance after Sieg Hart.[vol. 3:afterword]