Chapter Summaries

After celebrating Robin and Saul’s reunion at Loki’s castle, Xia Chen slipped away from the banquet and used Observation Haki to search the area. He found something lurking in the darkness at the roots of Treasure Tree Adam.

• Everyone toured Loki’s castle, saw his varied pets, and gathered for a banquet celebrating Robin and Saul’s reunion.
• Xia Chen left the banquet, pretending to get some air, and went outside the castle.
• Xia Chen rose into the air and spread his Observation Haki in every direction.
• Xia Chen appeared at the roots of Treasure Tree Adam and walked toward pairs of enormous, trembling red eyes in the darkness.

Xia Chen found Loki, the chained prince of Elbaf, and challenged his claim to be the Sun God. Loki eventually admitted that he was not the real Sun God because the Sun God would never lose.

• Xia Chen frightened the surrounding creatures and reached Loki, who was bound in Seastone chains.
• Loki asked who Xia Chen was, and Xia Chen called himself an ordinary pirate.
• Loki praised Xia Chen's strength and declared himself Elbaf's strongest warrior and the Sun God.
• Xia Chen questioned Loki's claim and reminded him that Red Hair had defeated and imprisoned him.
• Loki raged against Xia Chen, then calmed down and admitted he was not the real Sun God.

Xia Chen challenged Loki’s belief that the Sun God was unbeatable and revealed that the current Sun God, Nika, had appeared. Loki reacted with shock and excitement at the possibility of facing him.

• Loki insisted that the Sun God was the strongest and argued that Joy Boy had lost only because the Celestial Dragons ganged up on him.
• Xia Chen pointed out that Joy Boy and the Great Kingdom had ultimately been defeated and erased from history.
• Xia Chen asked Loki what he would do if given the chance to fight the current Sun God.
• Loki realized Xia Chen meant Nika and shouted in disbelief and excitement, wondering whether the third Nika had appeared.

Xia Chen freed Loki from his Seastone chains after Loki agreed to fight the current Nika. He told Loki to come to Road's palace the next afternoon, leaving Loki wary of defying him.

• Xia Chen offered Loki freedom if he would fight the current Nika, and Loki chose to accept.
• Xia Chen shattered Loki's Seastone chains with a touch, leaving Loki stunned.
• Xia Chen told Loki that Nika was at Road's palace and ordered him to come the next afternoon.
• Xia Chen warned Loki not to arrive in the morning and vanished, while Loki decided to obey to protect his life.

Loki headed for Rod's palace, eager to fight the current Nika, while Xia Chen offered Luffy the giant as an opponent. Luffy excitedly went to meet Loki, and Xia Chen invited the others to watch.

• Loki left Treasure Tree Adam and walked toward Rod's palace, looking forward to fighting Luffy.
• Luffy sensed a powerful presence approaching while he ate meat in the castle.
• Xia Chen identified the approaching figure as Loki, prince of the Giant Kingdom and its strongest giant, whom Shanks had once struggled to defeat.
• Luffy accepted the chance to fight Loki and ran toward the door.
• Xia Chen invited the others to come watch the fight, and they agreed.

Luffy rushed out of the castle and confronted Loki, who recognized him as a powerful opponent. Their first clash unleashed a massive shock wave that devastated the surrounding landscape.

• Luffy transformed into Gear Fourth: Boundman and flew toward Loki.
• Loki struck Luffy with lightning, but Luffy continued forward unharmed.
• Loki charged at Luffy and swung his enormous hammer at close range.
• Luffy used King Kong Gun to meet Loki’s hammer blow.
• Their collision produced a vast shock wave that crushed trees, tore up the ground, and swept away the snow.

Luffy recovered from Loki’s powerful blow and awakened his Gear Five form, convincing Loki that he was Sun God Nika. As Luffy’s Conqueror’s Haki erupted and cleared the sky, the battle reached a new stage.

• Loki overpowered Luffy and sent him crashing into a snow-covered mountain, triggering an avalanche.
• Xia Chen and the others watched from the sky as Zoro recognized Loki’s strength and said he wanted to fight.
• Luffy burst out of the snow, praised Loki’s strength, and said he would get serious.
• Luffy’s heartbeat sounded like the Drums of Liberation as he transformed into a white warrior.
• Loki recognized Luffy as Sun God Nika, and Luffy released a powerful burst of Conqueror’s Haki that scattered the clouds.

Luffy and Loki exchanged powerful blows, with Luffy’s rubbery body absorbing Loki’s hammer strike and sending Loki crashing into a snowy mountain. Loki emerged exhilarated and charged at Luffy again, eager to fight the Sun God.

• Loki swung his enormous hammer at Luffy, who stuck to it and climbed onto it.
• Luffy vanished from Loki’s view and punched him in the face, stretching Loki’s head before the rebound sent him flying.
• Loki crashed into a snowy mountain, triggering an avalanche that shook the Underworld.
• Luffy bounced off the ground laughing as Loki emerged from the snow, dizzy but delighted.
• Loki praised Luffy’s strength and leaped toward him for another attack.

Luffy and Loki fought an enormous, hard-hitting battle while Xia Chen sensed a strange fluctuation and prepared to part ways with the Straw Hats. Before he could explain, a violent tremor shook the sky and the world around them.

• Luffy enlarged himself to Loki’s size and traded powerful blows with him.
• Loki delighted in feeling pain and continued charging at Luffy.
• Xia Chen sensed a strange fluctuation while drinking tea and said that the day had finally come.
• Xia Chen addressed Zoro, Nami, Usopp, Sanji, Chopper, Robin, Franky, Brook, and Jinbe, saying their journey together had been wonderful but his would end.
• A violent tremor shook the clouds and made everyone feel as though the entire world was shaking.

Xia Chen stopped the world from sinking by driving the complete Jingu Bang into the seabed, then left the world as Luffy and the others watched. He awoke in an unfamiliar place.

• Xia Chen saw the seas rising across the world and realized humanity faced extinction, so he transformed into the Great Sage Equaling Heaven.
• Xia Chen used the Jingu Bang to stabilize the seabed, causing the rising waters to recede and the submerged islands to reappear.
• Xia Chen said goodbye to everyone and departed through a hole in the sky as Luffy and the others realized he had left.
• Xia Chen awoke in a dim, unfamiliar place and asked where he was.