From Abyssal Invasion to Bursting Stars with a Single Sword

After listening to Lu Heng's explanation, he suddenly thought of the ability of the Void Eye and felt like giving it a try.

Lu Heng smiled and said, "You can give it a try."

So, Lin Zeyu controlled one Void Eye to emit a beam, and observed with another Void Eye.

A few seconds later, Lin Zeyu widened his eyes and said, "What's going on? I still can't see anything."

In fact, Lu Heng knew the answer from the beginning, and the reason he had him test it was just to let him experience the process of finding the answer firsthand.

"Because the laws of the void are different, light can't be transmitted. Strictly speaking, it can't be transmitted away, but it can't travel far either. With the energy level intensity of the Void Eye beam, the transmission distance can be measured in micrometers. This is also why the void is always filled with endless darkness."

Lin Zeyu continued scratching his head, annoyed, "So troublesome, what should be done to observe things hidden in the void?"

"This requires a specialized ability to detect the void, but such abilities are very rare, at least starting from A-level." Lu Heng could only recall abilities to detect the void that are A-level at minimum, and even A-level is just the beginner level, with effects that aren't particularly impressive.

Just the ability to detect the void requires skills above A-level, which shows how difficult it is to detect the void.

Even Su Muyu doesn't have the ability to detect the void. She just barely sensed a faint energy wave by combining two skills.

Moreover, the premise for her to sense the energy fluctuation is that the "thing" hidden in the void has made a "move."

Just like Lin Zeyu's Void Eye, if the Void Eye is in a stationary state, without emitting any energy wave, Su Muyu wouldn't be able to detect it.

In other words, the energy fluctuation that appeared around Lu Heng earlier means that the "thing" hidden in the void made a "move," thus emitting a faint energy wave.

The "action" of this "thing" is most likely just an act of observation.

In other words, a simple observation action was keenly captured by Su Muyu.

Although she doesn't have the ability to detect the void, her perception ability is indeed top-notch. It's estimated that in this world, perceivers who can detect that energy fluctuation number no more than three.

Lin Zeyu, after hearing the explanation, suddenly lit up his eyes and said, "Hey! Actually, if my Void Eye skill level is full, upgrading to A-level, won't it have the ability to detect the void?"

Lu Heng and Su Muyu exchanged glances, perplexed.

"Well... maybe I didn't explain it clearly enough. What I mean is, the ability to detect the void starts at A-level, not all A-level skills have the ability to detect the void."

Lin Zeyu waved his hand carelessly and said, "It doesn't matter, let's upgrade first. What if the upgrade results in the ability to detect the void?"

He didn't bother thinking too much, after all, the skill needed to be upgraded, and even if it didn't upgrade to the ability to detect the void, upgrading to something else could still enhance his strength.

Although the likelihood of upgrading to a void-detecting effect is low, the possibility indeed exists.

Lu Heng helped him unlock the skill lock and allowed him to upgrade the skill.

Lin Zeyu had already experienced upgrading skills before, and having experienced an upgrade failure once, he was somewhat seasoned in this regard.

A few minutes later, after consuming 1500 points of divine energy, the skill upgrade was successful.

As he read the upgraded skill details, he narrated them aloud:

"Upgrade successful, level A, skill name [Void Observer]. Hey... It seems it came true, it really can detect the void, detection range 1×Source Energy Level, yet this distance is... too short. Such a pity, it didn't upgrade to a mobility ability."

After looking at the upgraded skill effects, Lin Zeyu furrowed his eyebrows, unsure if he should be happy or... happy.

Long ago, his upgrade goal for the Void Eye was to obtain mobility ability.

The Void Eye is indeed very useful, but it has one flaw: once placed in the void, it cannot be moved.

This means he can only place the Void Eye in places he passes by, unable to dispatch the Void Eye to other places for reconnaissance.

So, he hoped long ago that the skill could gain mobility ability after upgrading.

Now having upgraded to A-level, it didn't gain the mobility ability but rather the rarer void-detecting ability.

Lu Heng, after hearing the skill name narrated by him, showed a hint of surprise: "It actually upgraded to a void-detecting ability, that's some good luck."

Lin Zeyu was a bit displeased: "But it didn't give me the mobility ability, I wanted the mobility ability."

Lu Heng shook his finger, and said: "The placement position of the Void Eye can be manually chosen, mobility ability can be compensated with one's own strategy, whereas the ability to detect the void is a matter of having it or not. Expert users surely prefer the ability to detect the void over mobility ability."

Lin Zeyu scratched his head and said: "True as you say, but I've always been clumsy, I just like automatic skills.

Afterward, Lu Heng arranged for Lin Zeyu to test the new skill.

The A-level [Void Observer] is indeed much stronger than the B-level Void Eye, with greater stealth and longer observation distance.

Besides, the power of emitting the Void Beam also doubled.

However, the ability of the Void Beam remains impractical, unless in specific situations it is generally not useful.

...

After finishing the test, the sky began to darken.

Lin Zeyu looked at the gradually brightening city lights outside the window and suggested, "It's almost past dinner time, I'm starving, let's go out for a feast. My treat, lobster and beef, both are fine."

Su Muyu heard this, looked up at the ceiling, pretending not to have heard.

Lin Zeyu repeated, asking: "What do you guys want to eat? Say something? Or should we have it delivered?"

Su Muyu nudged Lu Heng's elbow, murmuring, "Lu Heng has something to tell you."

Lu Heng grinned and said, "Mu Yu means you're of no use anymore, eat whatever you want by yourself."

Lin Zeyu understood immediately what it meant and stared: "You two... I'm just a tool, huh? After testing the skill, you just cast me aside for your world of two?"

At this moment.

Su Muyu's expression suddenly changed, signaling the two with her eyes.

Lu Heng noticed the change in her eyes, returned the gaze, asking: It reappeared?

Su Muyu nodded, confirming this information.

Indeed, the earlier sensed energy fluctuation reappeared.

Lu Heng pondered quickly and said, "Why not have him join us for dinner instead, and chat about serious matters while eating."

Su Muyu originally wanted to have a world of two, but now there were unusual energy fluctuations around, and these energy fluctuations were directed towards Lu Heng, which worried her a bit.

Now that Lin Zeyu had upgraded a skill capable of void-detection, letting him stay to conduct detection and confirm the source of this energy fluctuation was the right thing to do.

She could only sigh and say, "Alright."

Lin Zeyu blinked, speechless, and said: "Now you need me again? Let me tell you, I'm not one of those who come when called and go when shooed."

...…

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