The two arms on Susanoo's back hold a gigantic bolt of lightning.
"Lighting Release: Lightning Thunderclap!"
As soon as Izumi notices some ripples and movement on the sea surface, she slams the gigantic lightning bolt.
BOOM…
A pillar of water rises in the sky, followed by a chaotic surge of the purple lightning storm.
GYAAAAANNN…
The sea serpent releases an agonizing scream as the lightning bolt stuns it at a place.
Crack… crack…
The horn on its forehead shatters and it wreathes on the sea surface in pain. Dark red, sinister chakra seeps from its body. Red lightning flickers across its body, causing it to mutate even further.
"I won't let you!"
The Susanoo wields the giant blade.
Rumble… Rumble…
Lighting clouds gather in the sky and a bolt of purple lighting lands on the tip of the blade.
"Raikou: 3rdForm Musou Isshin,"
She vertically swings the blade and cleaves the head of the snake from its neck.
The sinister chakra around its body dissipates, and the red lighting on its body disperses. The crimson eyes of the monster turn green and slowly return to their previous state.
Izumi dispels her Susanoo and flickers towards the port.
"It's over!" She mutters to Kei and vanishes from the spot.
"Thank you so much!" Kei thank the empty space in front of him.
Whoosh…
A gentle breeze passes by and ruffles the few strands of hairs remaining on his forehead.
Ahem…
Kei clears his throat to break the awkward silence.
"The monster is dead. It's time for the celebration." He announces.
"Now that's what we are talking about!"
An uproar of celebratory cheers and victorious screams echoes across the port.
"Before that, don't forget to collect the body of the monster. It's now a property of the Trinity Corporation. And depending on its value, all of you might get a bonus." Kei declares.
"Captain, you are the best!"
The guards cheer for him.
"Hehe… it's still not too late to realize that." Kei smugly strokes the hairs on his head.
"…"
-------------------
Back at the resort,
'I still don't have perfect control over my Susanoo and I can only maintain it for three minutes before I collapse from the burden of my eyes.' Izumi sighs and flickers towards the resort.
She appears beside Tsunade and reports.
"I completed your order, Hokage-sama!"
"Well done! You must be exhausted after the battle. Go and take a rest." Tsunade nods and sends her away to rest as she notices the slight dizziness in Izumi's tone.
One of the maids leads Izumi to her room.
"Hmm… where are the kids? They aren't here yet." Kushina looks around in worry.
"They might be playing around somewhere. Besides, it's not like something will happen to them. Those kids have grown up and are quite capable. They can take care of themselves." Minato assures her.
"Minato is right! Besides, they can always use the flying thunder jutsu seal on them to escape in case of any troublesome situation." Tsunade agrees with Minato.
"Mm… you are right. But still, I can't help but worry." Kushina shakes her head.
"Kushina-san, please follow us. We will show you around the Uzu clan and will also discuss our Fuinjutsu techniques with you." Akari asks Kushina. Minato also follows after them.
"Since I have nothing to do, I will explore the market and look for some native plants and herbs in this place. Perhaps I might find something interesting here." A few maids escort Tsunade to the market.
Kakashi also somehow vanishes to find some interesting books in the town.
Ao and Chojuro also leave the resort to search for some specialties to bring back to the village. Since Kiri is too far from Redaku and there are no direct trade routes; they want to bring some Redaku products back to the village.
"I am quite exhausted from the trip. I will take a rest." Mei walks towards her room.
"Lady Mei, please wait!" Viktor stops her.
"What's the matter?" Mei turns towards him.
"Umm… lady Mei. Izuna-sama left something for you, before his last two years ago. He asked me to pass it to you or Ayaka, in case anyone of you shows up."
Mei patiently waits for Viktor as the latter return with an ancient wooden box in his hand. Mei holds the strange wooden box in her hand and looks at it in puzzlement.
There are multiple strange carvings, fuinjutsu seals, and runes on the box.
"How do I open this?" She asks.
"Umm… I am not sure. Izuna-sama only left a message: Pass this box to Ayaka, and it will open itself at the right place and moment."
"Is that all?"
"Yes, that's what he said!"
"Alright! Thanks for your help." Mei curiously stares at the weird box in her hand.
"What even is the use of this box?"
She flips it around for a few minutes, infuses her chakra in it, and even drips a drop of blood on it. But the box doesn't show any reaction.
"Is it just a normal wooden box? Or is it one of those prank boxes from Izuna?"
Mei recalls a prank gift box from Izuna. It was her birthday and Izuna gave a wrapped gift box to her.
When she opened the box, a creepy doll leaped out of it and licked her box. That incident almost gave her a heart attack.
Of course, as a punishment; Izuna has to sleep on the couch for next week.
"That Izuna!" She chuckles and stores the box in her storage.
"Huh!"
The wooden box teleports out of her storage.
"What? How did it come out?"
Mei attempts again, but the result is the same.
"So, I can't store this box in spatial storage. Now, that's interesting. Looks like this isn't a normal box. I don't have much information about the Fuinjutsu techniques. I will ask Kushina and Minato-san later." Mei carries the box into her room.
Meanwhile, in the clan library of the Uzu clan,
Akari and Yuji present various scrolls and writing with their unique style of Fuinjutsu to Kushina and Minato.
"Incredible! These techniques are quite incredible." Kushina reads the scrolls like a nerd.
"It reminds me of the days I spent with Grandma Mito. That was the first time I started learning the Fuinjutsu techniques." Kushina absorbs the knowledge of all scrolls like a sponge.
"Although, the fuinjutsu techniques of the Uzumaki clan and the Uzu clan have the same origin. Both of them diverge in their path. These runes in the barrier skill, this modification in the sealing formations…" Kushina immerses herself in the scrolls of the Uzu clan.
"Ahehe…" Minato stares at her enthusiastic expression.
"Lady Akari, this is for you."
He passes a bunch of scrolls with the Uzumaki clan technique and his insights on Fuinjutsu.
"Thanks for your generosity."
Akari accepts the scrolls and passes them to Yuri.
"Izuna-sama also taught us a lot of things. With this, we might be able to improve our skills in Fuinjutsu and perhaps seal some of the troublesome sea creatures."
"Oh… Akari-san! Who was the person that erected the barrier outside the Redaku? That's an extremely powerful and complex barrier." Minato asks, out of sheer curiosity.
Unlike Izuna, who is able to determine the nature of the barrier, with a glance and knowledge; Minato lacks the necessary tools and knowledge to understand the purpose of the barrier.
Still, his instinct as a Fuinjutsu grandmaster hinted to him of the advanced nature of the barrier.
"Umm… Minato-san, we don't know the exact person who erected that barrier. However, there are some folklore and legends of a God who took shelter in this place a few millennia ago. It was God who sealed and isolated this place from the rest of the world. It's said that the members of the royal family are guardians appointed by God to monitor the monsters in this place.
However, that's just some baseless rumors spread by the royal family to elevate their position in the hearts of the people. The current royal family is nothing like the one described in the legends. Rather than the guardians, they are more like the worst adversary of the Redaku."
Akari sighs and shakes her head.
"Still, there is some information about the origin of Fuinjutsu techniques in our clan. It is said that the Kenshiro-sama explored some ancient ruins and found some ancient scripts of Fuinjutsu and the records of a powerful ritual. He simplified the Fuinjutsu records and modified the ritual to create the summoning seal. Most of our records are missing and we don't have much information regarding the later life of Kenshiro-sama."
"Hmm… I see. Thanks for the information!" Minato expresses his gratitude and picks up a book from the library of the Uzu clan.
Akari and Yuri also sit at a nearby study table to read the scrolls and insights provided by Minato.