"Next, 1B rank."

Fang Shi calmed down a little of his ups and downs, judging from Nana's level of successfully challenging the 1C rank in five seconds, it should be regarded as his current machine combat level, so the remaining four ranks of the C rank are naturally not a problem, so he simply chose to challenge the B rank directly.

At present, the ashlar is attacking the 1B rank, and its difficulty is several times higher than that of the 5C rank, not that the level of the enemy mecha set by the system has suddenly increased a lot, but the change in quantity. There are two enemy mechs in the 1B rank, and the level of combat alone is similar to that of the 5C rank mechas, but the simultaneous combat of two mechs is not simply one plus one equals two, but one plus one is greater than two. During the battle, the two enemy mechs will cooperate with each other and use some rudimentary combination tactics, which is also a big headache for the Ashlar Impact 1B rank.

Soon, the 1B Rank challenge began.

In the light screen, the white mecha controlled by the silver mecha is in front of two mechas, one black and one red, respectively. The red and black mechs formed a cross-flank trend from the beginning, and at the same time, the small laser cannon on board quickly aimed at the white mech.

Seeing this, the white mecha did not retreat but advanced, turning into a white afterimage and flying quickly towards the red mecha in front of the right, and at the same time, one arm was already raised, and a stray bullet locked onto the red mecha almost instantly.

The red and black mechs were not slow to react, and two red pillars of light were quickly launched. At the same time, the stray bullets of the white mecha had already whizzed away, shooting towards the red mecha.

Fighting between the two sides was on the verge of breaking out.

However, in the next moment, to Fang Shi's great surprise, at the moment when the red and black mecha fired the laser cannon, the white mecha suddenly increased in speed and completed an extremely perfect speed change curve flight. Two pillars of red light flew over almost grazing the white mecha's fuselage.

"It's terrifying to dodge so accurately!"

Fang Shi, who acted as an audience, almost fell out of his eyes when he saw such a scene. The laser cannon is not an ordinary cannonball attack, both its power and speed are much higher than ordinary cannonballs, if the target wants to dodge within the best range of the laser cannon, I am afraid that even the star pilot of the empire is extremely difficult.

"Bang!"

The stray bullet fired by the white mech hit the red mech in front of the right with an unerring sound.

After the explosion, the red mech fell directly to the ground.

It only took three seconds from the beginning of the challenge to the destruction of the red mech, and the white mech also established the victory in an instant, as for the black mech, it was obvious that it could not pose a threat to it.

Five seconds later, the black mech was hit in the head by an armor-piercing bullet and, with a violent explosion, fell to the ground.

"Congratulations, the challenge was successful!"

In the light screen, a dialog box immediately popped up, and a system prompt sounded out.

Fang Shi had a huge wave in his heart, and he passed the challenge of the 1B rank in eight seconds, so the level of machine control was too strong, especially the series of actions to dodge the laser, which was absolutely perfect.

"Is it a coincidence?"

Fang Shi couldn't help but question.

"Brother, what's the next rank?" Nana's crisp and melodious voice floated up.

Fang Shi took a deep breath and said with a little hesitation, "3B rank." ”

The 2B Rank is based on the two mechs in the 1B Rank, which strengthens the combat strength of some mechs. Fang Shi thought that the level of machine combat strengthened by the mecha might not pose any threat to the white mecha, so he simply chose the 3B rank. The 3B Rank is an additional mech on top of the 2B Rank.

Ten seconds later, the 3B rank challenge began.

Fifteen seconds later, the enemy's three mechs were destroyed by the white mecha one after another, and the challenge was successful.

The corners of Fang Shi's mouth twitched slightly, and a storm had already been set off in his heart, and he passed the 3B rank challenge in fifteen seconds, I am afraid that even the middle and low-level star pilots of the empire would be difficult to complete.

"Could it be that Nana's control level has reached the level of a seven-star pilot or above?" Fang Shi secretly guessed in shock.

"Next, 1A rank."

Fang Shi's voice carried a hint of excitement and expectation, if he can successfully pass the 1A rank challenge, it also means that the level of the controller has reached the level of the Imperial Star Pilot, the 1A rank marks the level of the One-Star Pilot, the 2A rank marks the two-star Pilot, and so on, the 5A rank represents the level of the Five-Star Pilot. The same is true for the S rank, the 1S rank represents the strength level of the six-star pilot, and the highest 5S rank represents the ten-star pilot who marks the highest level of pilots in the empire.

"Okay." Nana replied in a flat tone.

After finishing speaking, the light screen in front of Fang Shi's body flashed, and the picture of challenging the 1A rank appeared.

After counting the breath, the 1A Rank challenge begins.

In the light curtain, three mecha immediately appeared in the field of vision of the white mecha, which were black, silver, and blue, they were not comparable to the three mecha of the 3B rank, and the level of machine combat was increased several times, and any of them could completely destroy the three mecha of the 3B rank.

The battle is on the verge of breaking out.

Faced with the simultaneous attack of the enemy's three mechas, the white mechs did not rush to attack, but chose to retreat violently and quickly distance themselves from the opponent. The black, silver, and blue mechs hurriedly chased out, and at the same time, the weapons equipped with the fuselage began to quickly lock onto the target.

"Bang, bang, bang!"

The black, silver, and blue mechs fired cannonballs almost simultaneously, and they coordinated very well, one of them shot directly at the white mech, and the other two were white mechs that locked the direction that the white mech might dodge.

However, the next moment, all three shells missed. I saw that the white mecha instantly completed a difficult speed change line flight, and easily dodged the cannonball attack.

At one minute and fifty seconds, the white mecha launched its first counterattack, and the black mecha was destroyed.

At two minutes and thirty minutes, the white mech launched a second counterattack, and the blue mecha was destroyed.

At 2 minutes and 55 seconds, the white mecha destroyed a silver mecha in Zuihou.

In less than three minutes, the 1A rank challenge was successful!

Looking at the dialog box of "Congratulations, successful challenge" in the light curtain, Fang Shi was relatively calm, as if he had already expected it, "Next, 3A rank." ”

Ten minutes later, the 3A rank challenge was successful!

Then, Fang Shi said lightly: "Next, 5A rank." ”

Half an hour later, the 5A rank challenge was successful!

Hearing the system prompt sound of the successful challenge, Fang Shi took a deep breath, and 5A also means that Nana's machine control level has reached the level of a five-star pilot.

"Is it really as I expected, Nana's level has reached the level of a high-level star pilot!" At this time, his heart was not a turbulent sea, but a seemingly calm lake, without even a ripple, but deep at the bottom of the lake was a volcano that could erupt at any time.

"Brother, do you want to continue to challenge?"

Nana's melodious voice rang out again.

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