Chapter 198: The Tidecaller…

The sanctum opened up like a held breath finally released.

As Akira moved through the descending corridor, the walls simply fell away to reveal a massive lower level, nearly four times the size of the nave above.

The ceiling vaulted into a darkness so deep that even his enhanced vision could not find the top of it. The floor which was made of smooth black stone, remained unbroken except for a single raised dais at the center where an altar should have been.

The light here came from the walls themselves, created by blue-white bioluminescent growth that pulsed slowly, like breathing.

The Tidecaller was waiting.

Eight feet was an underestimate; he was closer to nine. From the waist up, he was humanoid, but the word felt insufficient. His broad chest was covered in blue-green scales that caught the bioluminescent light.

His arms were so thick that Akira couldn’t have wrapped his hands around one of them, and his face had once been almost human but had grown past it.

Long white hair floated loosely around his jaw and shoulders, moving in a current that seemed to originate from him, not the water. At his hips, his body transitioned into a massive, coiled, eel-like lower half, with the tail alone accounting for another four feet of him.

The trident was proportional it made Akira’s Phantom Cable Daito look like a kitchen knife.

The Tidecaller’s yellow eyes looked at Akira first, then shifted to Rina and Ayaka flanking behind him, before slowly returning to Akira. It was the look of something that has all the time in the world and knows it.

“A male,” he said. His voice rumbled through the water, felt not just in the chest but in the teeth. “You dare bring yourself into my cathedral… you dare enter my water.”

“I dare a lot of things,” Akira said. “It’s a habit.”

The Tidecaller’s tail shifted slowly, its massive coils displacing the water in a wave that Akira felt against his skin. It wasn’t an attack, but rather a cold assessment.

“You killed my wardens,” the guardian said. “The wraiths in the upper chambers. I felt them dissolve.”

“They were in the way.”

“Everything in this cathedral is in my way or in my service.” The trident came up, level, pointed at Akira’s chest. “You are neither. So I will crush you, take your females as tribute, and seed another generation of wardens with their…”

Rina moved.

She didn’t wait for a signal. She crossed the distance in three strong pulls through the water and hit the Tidecaller’s left side with her shoulder, both hands wrapped around his arm, using her full succubus-enhanced strength to try to drag the trident off line.

The guardian barely moved. He looked down at her with something close to surprise.

Then he backhanded her with the trident shaft.

The impact sent her tumbling twenty feet, crashing through the water in a spiral. She caught herself on the wall, shook her head hard, spat something dark into the water, and pushed off again.

“Spirit,” the Tidecaller said. “I’ll enjoy…”

Akira was already inside his guard.

He used Phantom Step, covering ten meters in less than half a second, and appeared behind the guardian’s right shoulder. He drove the Voidfang Gauntlet into a gap between the scale plates along the Tidecaller’s spine, discharging void energy on contact.

The guardian seized up in a full-body spasm, causing the trident to swing wide and the water displacement to knock Akira back three feet.

The Tidecaller let out a sound that wasn’t pain, but rather pure outrage… more like the shock of something that hadn’t been hurt in a very long time suddenly being reminded that pain was possible.

He spun fast for his size… really fast.

The trident’s shaft caught Akira across the left arm. Even though it wasn’t the point, the force of the blow felt like the impact of a car. He tumbled through the water but managed to grab a pillar to stop his spin, surfacing with blood trailing from a deep cut on his bicep.

First blood… again.

Ayaka fired compressed bolts of demonic energy from forty feet back, hitting the Tidecaller’s exposed left flank and leaving a burning char mark on his scales. The guardian snarled, his attention now split.

“His back,” Akira called. “The void hit staggered him. There’s a gap in the plates at the shoulder.”

“I see it,” Ayaka said.

Rina charged again, going low this time.

She ducked underneath the trident’s arc, wrapped both arms around the guardian’s tail, and pulled, trying to throw him off balance. The Tidecaller looked down at her with genuine irritation, like a man interrupted by something he couldn’t quite respect.

Akira hit the shoulder gap again, Voidfang driving deep.

The guardian roared.

And then the sanctum changed.

He raised the trident overhead with both hands and drove the point into the floor of the sanctum.

The stone cracked. The bioluminescent growth on the walls flared white, then began pulsing faster, in time with something below the floor.

The currents in the water which had been still since they entered woke up simultaneously, pulling from every wall toward the center of the room.

[WARNING: TIDE COMMAND ACTIVATED]

[GUARDIAN DOMAIN ABILITY: WHIRLPOOL GENERATION]

[CURRENT STRENGTH: ESCALATING]

The pull was immediate and serious.

Rina lost her grip on the guardian’s tail and was dragged six feet sideways before she caught a pillar. Ayaka’s next shot went wide, the current twisting her aim. Akira felt it trying to drag his feet out from under him, or rather, trying to drag the rest of his body away from whatever anchor point his feet could find on the smooth floor.

The Tidecaller rose to his full height at the center of the forming vortex, completely unaffected. The currents were his. They were pulling toward him.

“Now,” he said, “you swim in my tide. Not yours.”

Akira stopped fighting the current.

He’d learned this in the first trial; the cathedral didn’t reward resistance. He let go of the pillar, let the current take him, and used it.

Instead of swimming against the pull he angled with it, letting the acceleration build, and activated Flow State at the last second.

[FLOW STATE: ACTIVE]

[DURATION: LIMITED — HIGH ESSENCE COST IN THIS ENVIRONMENT]

The world slowed.

The vortex, which had been violent and disorienting, became readable; he could see the current lines, the gaps in the flow, the exact angle that would bring him toward the guardian rather than around him.

He drove the Daito into the Tidecaller’s throat.

This was the blade, not the Voidfang, and it was focused with ice essence along the edge, creating a chill against the warm water.

The cold spread outward from the wound in a radius, causing frost to briefly form on the nearest scale plates before the surrounding water dissolved it.

The guardian seized again, hands coming up to close around Akira before Flow State ended. He felt the grip close, felt the pressure begin, and then Flow State cut out and the full weight of those hands became real.

His ribs flexed wrong, and something cracked.

The Tidecaller lifted him and squeezed.

“Small male,” the guardian said in an almost quiet voice now, the rage settling into something more certain. “Strong, but small. Your females watch you die now.”

Akira’s vision was graying at the edges. His ears popped. His essence reserves were screaming the drain from Flow State on top of everything else.

Rina slammed into the guardian’s arm from the side; it wasn’t a tackle this time but a full-force punch, succubus strength fully engaged, aimed at the joint. The grip loosened by a fraction.

That fraction was enough.

Akira got one hand free, formed Voidfang and drove it into the wrist holding him, void energy discharging directly into the grip.

The hand opened.

Akira pulled free and dropped, catching himself before he hit the floor, ribs burning with every movement.

Ayaka was at his side in seconds. “How bad?”

“Cracked, not broken.” He straightened, which hurt considerably. “I’m fine.”

“You’re not fine.”

“I’m functional. That’s close enough.” He looked at the Tidecaller, who was studying his own wrist with something approaching respect, and maybe, underneath that, the first trace of recalibration. “Ayaka. The thermal option you mentioned. Can you do it here?”

She looked at the water around them. At the vast enclosed space of the sanctum. At the guardian standing at the center of it, completely in his element.

“It’ll hit everything in this room,” she said. “Including us.”

“I know. We need to set it up.” He looked at Rina, who was still on her feet, bleeding from her temple, eyes bright and furious. “Can you hold him? Not fight him. Just hold him.”

Rina looked at the Tidecaller. Nine feet of ancient aquatic demon, trident in hand, tail coiled beneath him, looking entirely unimpressed by everything they’d done so far.

“Yeah,” she said. “I can hold him.”

She sounded like she meant it.

“Then we have a plan,” Akira said.

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