Ocean Master

Plop!

"What was that?"

The leader of the eastern military outpost was sensitive enough to detect the sound despite the ongoing change in shift as he asked his subordinate. On seeing the clueless look on his subordinate's faces, this punk-haired soldier frowned.

"Scan the water!"

"Yes, Mr. Black".

The soldiers immediately went to work as they started scanning the seawater with their devices while others directly dived inside the water to check.

They scourged everywhere, but they found nothing.

10 minutes later, they finally relaxed, perhaps Mr. Black finally had a lapse in his judgment since nothing was found.

This was what the soldiers thought, but Mr. Black frowned in contemplation.

…

The vacation mansion was directly at the heart of the island, but Sebastian went to the edge of the island and jumped into the sea which seemed to be an incredibly stupid move.

This was not all that was to his move though, Sebastian patiently waited 3 days for a reason and he did not emerge without results.

After a lot of calculations, Sebastian deduced that this was the best way to assassinate the simulated U.S President.

His reason for this was his human instincts and meticulous intelligence that came back to him after he took on the form of an Atlantian soldier and the new sound innovations that he made with them.

For a long time after Sebastian participated in Elder Dangle's lecture, he had been wondering how to put the theories that she explained to use. Despite his efforts though, he always fell short by a margin.

After repeatedly trying and failing, he decided to give it a rest.

But to his surprise, it seemed that what he needed to overcome this bottleneck was to regain his humanity. Once he was brought to this virtual-reality domain, his perception experienced astonishing changes.

He could finally create those things that seemed impossible to him before.

[You have activated skill: Sound Control.]

[You have created a sound construct: Sound Detector.]

In the law of conservation of energy that was first proposed and tested by Emilie du Chatelet, it stated that energy cannot be created nor destroyed, it could only change from one form to the other.

As soon as Sebastian remembered this law, he implemented it. Since there was his Advanced Electroreceptor whose main purpose was detection through electromagnetic waves, why couldn't he replicate this effect?

Why couldn't he tinkle with the energy source in the form of the origin magic and change it with his sound control skill to form his version of electroreceptors, but a sound type?

Immediately as he thought of it, Sebastian acted on it. 

He finally knew the basis of some of the implications that Elder Dangle quoted during her lecture which made it so iconic to him.

"…Sound is everywhere, sound is omnipresent!" 

"…To be the ideal sound domain magician, you need to be imaginative and swift in harnessing the sound around us…" 

"…"

"…To be the ideal sound domain magician, you need to be proficient in sensing vibrations. They are the key to fulfilling your potentials with sound magic…"

"…"

"…Always remember this, sound is everywhere, all you need to do is to be imaginative and harness it. Only the swift sound harnessers are the real sound domain magicians…"

Sebastian agreed completely now, the sound domain is one of the few omnipresent magic domains!

Fire could be suppressed in an ice glacier, ice could be suppressed in an extremely hot and dehydrated region, but tough luck on trying to suppress sound without wasting too much time and energy.

The technological requirements, the energy requirement, and the stupendous amount of effort needed to suppress sound directly made it not viable.

With these discoveries, Sebastian succeeded in making full use of his current imagination as he created a bunch of other sound constructs.

He effectively found an alternative and complement for his electroreceptors, and this was how he was able to complete his plan draft.

Though most parts of the island were heavily guarded, these human soldiers were clearly not equipped to face opponents with magic domains which allowed Sebastian to sneak through strategic points occasionally.

Perhaps, other predators may not dare to take such bold steps since they knew virtually nothing about their opponents, but Sebastian was different.

Not only was he a human, but before he became an anatomist, he once served for a year in his country's military as a soldier.

This was another great advantage that he had.

Sebastian even guessed that this dual nature of his was one of the reasons why he became a target for transmigration. He may not be an elite anymore, but the basic military tactics and theories were still firmly in his head.

He didn't dwell much on this though, this was a discussion for later.

With his sound detector magic construct, he was able to bypass most of the defenses of the military outposts, penetrating deep enough for him to access classified information, including the map of the island.

That was where he found what he was looking for, a loophole.

Underneath the island was an escape path for the President in the case of an emergency attack that his forces were unable to take care of. 

Its main purpose eclipsed just escaping. If the President could not escape, it served as a qualified bulwark to help the President and his close confidants to ride the storm till their reinforcement arrived.

Sebastian didn't know how much information that the Doppelganger and Invisibility Sea King knew about the U.S.A, but from how their technology was even more developed by the Sea King's imagination, he did not dare to mess with the possibly furious retaliation from the U.S military.

This was why his plan was drafted with maximum speed in mind!

He planned to enter through the underground passage, rapidly infiltrate the mansion, fight with overwhelming power and assassinate the President before retreating as rapidly as possible.

This was his plan that he tagged the Sea King hunting plan! With this success, he would be able to secure his 2nd unique skill, he felt so hyped for it!

The underground passage was built to be the President's escape path, but it already diverged from its original purpose and was now Sebastian's entry path. 

It felt so good and so nefarious at the same time.

As soon as Sebastian dived into the water, after activating his sound control skill and creating the sound detector sound construct, he swept the seawater with his cheat eyes for a human.

Underwater, his sight was even clearer, this was one of the few things that the Sea King was not able to change since he was essentially a Megalodon.

Sebastian quickly understood the sea layout after one glance at it, the map that he got did not disappoint.

[You have activated skill: Triple Reverse Swim.]

[You have activated skill: Advanced Dash.]

Sebastian knew through his sound detector that the eastern outpost leader heard something when he dived, this was why he activated these 2 skills at once.

Whoosh!

Sebastian literally turned into an underwater speed boat but with semi-silent noise. He zoomed out of the area in just an interval of seconds.

In a dozen seconds, he was nowhere to be seen.

Sebastian didn't just move so swiftly because of the soldiers, he did so because unlike his time as a Megalodon, he could not breathe underwater.

Underwater, he was within a time limit.

…

Whoosh!

Sebastian took 2 minutes before he swam from the edge of the island to its middle. There, he didn't see anything that looked like an underground passage.

He already expected this though. There was no way that a Presidents' personal guard force would be so stupid as to allow their strategic escape path to be open and visible at first glance.

To others, this may be a problem especially to humans without magic power, but Sebastian was different. Sebastian was a sound domain magician!

He already lost his magic organ since entering this virtual-reality domain, but it didn't mean much since he already learned how to harness the origin magic in the air and bend it to his use in these past 3 days.

This was another advantage that he got having lived decades as a human.

With his sound detector, it took him 5 minutes to locate the secret exit which was already an extremely impressive feat considering the amount of effort that the creators probably put in to hide it.

With Sebastian's strength, it only took him a slight tug before the heavy metallic protecting covering was pulled off.

"What?"

As soon as the metallic protector was pulled off, 2 alarmed exclamations reverberated in the water as 2 human soldiers lunged at the intruder.

Squash!

Sebastian squashed the 2 humans to meat paste with one wave of his hand, swinging his heavy magic Trident. The strength disparity was simply too much.

He finally took a step inside the exit, but as soon as he entered, something went wrong that made his heart tighten.

Wom! Wom! Wom!

An alert was triggered!

[You have activated skill: Advanced Dash!]

Sebastian reacted immediately, this was one of the complications that he thought of and already had a contingency plan for.

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