When Hades left Fairy Tail years ago, he had still been a kind elder devoted to the study of magic. It was precisely because he recognized Makarov's determination to protect his companions and carry on the guild that he passed the position of Guild Master on to Makarov.
However, Hades later fell into darkness due to his obsession with Zeref's Dark Magic. Using Fairy Heart as a model, he developed a Grimoire Heart forged by combining countless lives with Dark Magic.
As long as that heart existed, he would neither age nor die, and he would possess an inexhaustible supply of magic power.
"Burst!"
As Hawking continued absorbing Hades's soul, he raised a hand and aimed at Grimoire Heart, firing an Energy Wave that blasted it into fragments on the spot.
Sure enough, the moment Grimoire Heart vanished, Hades's soul was instantly ripped out of his body by Hawking.
He then began reading and copying all of Hades's knowledge regarding magic.
Having lived for more than a century and devoted himself wholeheartedly to researching all kinds of magic, Hades might not have ranked among the world's best in magical strength or talent.
But when it came solely to theoretical knowledge of magic and the collection of magical arts, Hades was unquestionably among the foremost.
In addition to ordinary Creation Magic, Take Over Magic, Requip Magic, Celestial Magic, script magic, picture magic, and all kinds of elemental magic,
there were also lost magics such as Arc of Time, Arc of Embodiment, Great Tree Arc, Gravity Magic, as well as various Forbidden Magics and God Slayer Magics.
Finally, Hades had also learned quite a few of the Dark Magics invented by Zeref.
Though he could not use all of them proficiently, all that knowledge was stored in his mind, and he had