Iver attacked before the leaders of the Four Elemental Domains could make a move--
He neither retreated nor tried to defend himself.
His pupils suddenly constricted to their limit. Then pure white radiance seeped from the whites of his eyes, causing beams of light to shoot outward from Iver's eye sockets. He looked just like he had Laser Eye.
Even Iver's hair suddenly billowed upward. The muscles throughout his body bulged, and his skin turned a frightening deep red... It was not the red of blood flowing beneath his skin. Rather, it resembled the dark-red glow that still seeped through one's palm when covering a powerful flashlight.
It was as though a sun had ignited inside him--
Iver squeezed his strength out of his life, and that terrifying presence continued to climb.
--Nuclear Fusion Furnace!
When preparing for a crucial battle, Iver would often burn a card a day in advance to summon a sufficiently powerful Great Sin Beast. That way, when the next day came... the cooldowns of his other Phantom Demon Cards would have recovered, allowing him to use them once more.
The Great Sin Beast he had chosen to summon in advance was none other than Lia of the Great Sun!
Unlike the other Great Sin Beasts, some of Lia and Iver's materials were the same. That was why Yulia had instinctively been willing to trust and grow close to Iver, while displaying obvious resistance and alienation toward everyone else.
For that very reason, fully awakened Lia had no "traveling form." Outside combat, she could directly fall asleep within Iver's soul and provide him with strength. This allowed Iver to use all of Lia's power, though at only one-third intensity.
But counting the enhancement the burned card provided to the Great Sin Card, as well as the