Gilgamesh did not plan on becoming a Heretic God.
He was content with watching how humanity would play out, sitting on his throne in the [Domain of Immortality].
His role was that of an observer, and he planned to see it through to the end. Him, becoming a Heretic God? The concept was so ludicrous that he would hire anyone who suggested it as his court jester, lest their talent be wasted.
He was nothing like them, or any other god for that matter. They were molded and shaped by the views of others, while the "Epic of Gilgamesh" was his gift to the world.
The people did not change him, rather, he had changed them. He had shown them the pinnacle of what humanity could achieve, becoming the first hero of myth.
So, when he first saw the God of Victory Verethragna making his way through the Mediterranean Sea, he decided to ignore the Heretic God's close distance to Uruk.
Well, not Uruk anymore, as it was currently modern-day Iraq, but that didn't matter much to Gilgamesh. The whole world was his garden after all, and the land of Uruk would always be his no matter what form or shape it took.
It was only after after Verethragna summoned Melqart did he really get pissed.
That mongrel actually summoned a Storm god in the middle of the Mediterranean! Just so that he would have someone to fight!
The more he watched, the angrier he got. That mongrel dares to say that nobody could beat him? That he was the protector of humanity?
The only one who could claim such a thing was him, Gilgamesh!
Briefly, he contemplated on the pros on cons of descending to the mortal world just to show that mongrel his place.
On one hand, he would directly affect humanity as a Heretic God. On the other hand, he could always travel to the Netherworld and watch humanity from there.
Though his decision would be easier if he just used one of his authorities, [Sha Naqba Imuru], to see into the future, it would take away all the amusement from making such a decision.
So, after thinking it over, he decided that it was time for the world to see their king once again!
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Sardinia, Italy
The sky darkened as raging storm clouds flooded the previously sunny sky. Light clashed with lightning as a hulking figure fought what seemed to look like a little boy.
One was Melqart, an amalgam Heretic God, having the essence of Baal and Beelzebub.
The other was the Persian God of Victory, Verethragna, currently in his [Youth] form.
Two humans watched from the sidelines, one knight of the [Copper-Black Cross] and the other wielding the [Prometheus Grimoire] which housed the stolen authority of the [White Stallion].
However, both gods ceased their fight when they sensed a disturbance in the area. A flash of golden thunder reigned down from the heavens and then met the earth, erupting into flames.
The blazing flames took on the form of a man, with eyes of blood and golden armor that shone in its opulence. An aura of majesty and perfection raised from his body, shedding the cloak of flames surrounding him to the edge of his periphery.
Gilgamesh, now returned in proverbial flesh, smirked arrogantly at the eyes of shock gazing upon him.
"Gaze upon your king mongrels, as my magnificence has spread to all corners of the world like the brilliance of the stars! I, the oldest king of humanity, your only ruler, have returned!"
The Wedge of Heaven was back, and he had plans for the management of his garden.