As Koku joined the battle, he killed a few monsters; however, Koku wasn't in the best of conditions, not by a long shot. "Void arrow," he'd mutter, each time killing a few monsters at a time.
For every monster Koku killed, he'd obtain it within his summoning ranks. Something important to note is that every one of his summons is much stronger than their original selves. Koku, regardless, killed over and over again, and seeing no end, Koku asked himself if he was going to spend the moments of his life like this until he could no longer fight. Asking himself this, Koku sighed and smiled. "Of course not," he yelled at himself.
Just as this happened, Koku felt a power surge very far off into the distance. Then another one and then another one from north, east, south to the west, Koku felt presences that scream "very powerful."
"Four powerful opponents…" Koku then stopped, looking off into the distance where he felt these powers, and kept fighting alongside his summons. Much after 3 hours of endless fighting, Koku, who was still very injured, was reaching the end of his fight.
At this point, Koku knew that at most he could only keep fighting for about an hour and a half. Knowing this, Koku was planning on taking it easy, but then one of those powerful monsters Koku was bound to face sooner or later appeared.
From the dark sky, filled with black smoke, a massive black creature with wings of black, pushed past the dark atmosphere; and unleashing a loud roar, a devastating massive attack followed right after.
The monster, which resembled a black dragon, began attacking everything with its flames. But 20 seconds into the attack, its eyes were fixed onto Koku who was ready for the dragon. "Void arrow," Koku said as he held his hand in the direction of the dragon. The dragon began flying towards Koku very quickly and opened its mouth getting ready to unleash its powerful flames; but before it used its flames, Koku unleashed the Void arrow which hit the dragon.
"It's gotten more powerful?" Koku questioned as he was far too exhausted to tell that in the hours of fighting, he'd gotten stronger by leaps. The arrow upon hitting the dragon made it flinch but was able to continue its attack.
Upon using its flames, Koku had to dodge…but with little time to react, he was for the moment unable to dodge. Koku noticed something right before the attack landed.
"A light?" This light flew at high speeds towards the attack and basically stopped the flames from reaching Koku. After stopping, the light which was blue appeared to be a dragon which hovered in the sky, and had no wings, no arms but had some hair.
Both dragons didn't seem to be against each other but seemed to be aiming to kill themselves. Not long after this, a red dragon and an earth dragon appeared, all which had wanted Koku's life. Koku used this fact to his advantage and was able to use some of the dragons to block the other dragons' attacks.
This wouldn't last long since Koku was nearly dry on stamina. His monsters which had been fighting other monsters were told to keep fighting by Koku since he didn't want to be surrounded by monsters and the dragons. This was the case for all but one of his summons. The golem was to fight by Koku's side, which it was currently doing so.
The golem upon joining the fight had punched one of the dragons down into the ground. After this both sides battled for about an hour, and by this point Koku was struggling far too hard to keep himself standing, let alone having to move at high speeds in order to dodge and counter attack.
"To win~ I'll have to time this righ~t," Koku ordered the golem to do something very specific as he planned something. After a few minutes, the Golem had done what it was told and things were now in place.
(Deep breath in), "I've figured it out… you 4 were the ones I had to hunt down to get out of this place… and now with everything I have left… I'll shatter you all into oblivion." Upon stating this Koku took a deep breath in and for a second he held it in, but when he let it out, a massive surge of power burst out of Koku.
For the third time in his life Koku's body was consumed by a dense dark purple aura which gave him a completely different appearance. With this, Koku could tell there was a difference. "It's stronger…" he thought as he was for a moment in control. In this moment Koku aimed his hand towards the dragons which had all been lined up in front of him because of the Golem keeping them there for a short while.
"Void arrow…" Koku simply muttered this and a massive purple light shot out of Koku's hand and completely deleted everything within its path. Koku smiled and within a mere moment of Koku smiling underneath the aura covering him, he began to lose control over his power so he completely blew up the whole city as he tried to regain control. This was short-lived as the Void's rage retreated since Koku's body couldn't handle the stress it had been under.
So as his body reverted back to normal all the monsters that had been on the opposite side of Koku turned into ash… as if they had been magic projections.
Thus Koku's body dropped to the ground breathing heavily. Conscious but unable to move, Koku watched as the entire area changed into a black space and then into another terrain. But before this happened… Koku had felt another power swell inside of himself. "It happened the moment I killed the dragons…" Koku not only felt a strange power but also began receiving battle memories from the dragons, this alongside a passive ability that the dungeon of eternity made appear clearly within his head.
(This was the ability called "Add on," this applies the strength, defense, speed, etc., of the things he kills onto himself, serving as an add on to his strength).
When Koku had seen the new terrain, he could only look around with his eyes for the time being, and just as Koku was thinking of resting, he'd seen an actual person walking to Koku who was laying down in a grassland.