Fairy Tail VS Tower of Heaven

Above a stretch of sea in Asland, inside a massive airship.

Hades stared at the dimmed crystal ball and could not help closing his eyes as he murmured:

"Mavis, was that really you?"

That year, he had been full of spirit as he traveled with Yuri and Warrod to Tenrou Island in search of the priceless Tenrou Jade. That year, he met Mavis, the girl who would make him fall in love for the rest of his life.

Mavis was beautiful, lively, kind, and intelligent. Like him, she loved reading magic books, researching magic, and inventing new spells.

Unfortunately, he was not as handsome as Yuri. He had even lost an eye in battle. Believing himself unworthy of Mavis, who was as perfect as a fairy, he buried those feelings in his heart.

Later, Yuri found a lover of his own. He had thought that gave him a chance, but unexpectedly, when Yuri's son was born and his wife died, Mavis suddenly vanished.

When she reappeared a year later, Zeref was carrying her as he tossed her in front of the guild entrance. She had become a half-dead person with only faint signs of life.

He spent three years trying to save Mavis, only to discover that she had been cursed by the legendary Ankhseram God.

Not knowing how to tell his friend Yuri and Warrod, who was also secretly in love with Mavis, he could only publicly announce Mavis's death and build her an empty grave on Tenrou Island, where they had first met.

Then, in secret, he researched vast amounts of Dark Magic, trying every possible method to lift the curse and revive Mavis.

During that time, he discovered that the faint life signs in Mavis's body had not originally come from her herself, but from the fact