Subsequently, Lin Yun duelled with the robot several times. Each time, he was beaten severely, which harshly bruised Lin Yun's confidence.
"This robot, it was indeed a wise purchase. This is a gap in quality that cannot be bridged by mere numbers. Now, even if I face a Grandmaster Level opponent, I won't be completely defenseless..."
Lin Yun thought to himself.
After purchasing the robot, Lin Yun was left with a mere 800 Spirit Crystals.
Lin Yun spent another 100 Spirit Crystals to replace his defensive gear.
The brawl with the robot had made him realize that it was time to upgrade his protective equipment.
With this, Lin Yun had only 700 Spirit Crystals left.
Lin Yun considered it and spent 500 Spirit Crystals to raise his Mental Strength level by one level, advancing it to level two.
Initially, he had planned to level up not today, but maybe tomorrow or the day after.
Because, it had now been a week since the incident at the Royal Club.
Since the Lu and Mie families had not come after him in the past week, he did not mind keeping a low profile for a while longer.
The hypnotism he had used on the people at the Royal Club would last ten days at most; to maintain this state, he would have to hypnotize them again.
However, to rehypnotize them using the same method, his first level Mental Strength and Hypnosis Skill would be somewhat inadequate.
He had to upgrade his Mental Strength and Hypnosis Skill to level two.
Upgrading his Mental Strength to level two required spending 500 Spirit Crystals.
Bringing his Hypnosis Skill up to level two would cost 1000 Spirit Crystals.
With only 700 Spirit Crystals left, he obviously did not have enough for both upgrades. Therefore, he had planned to level up tomorrow, or perhaps the day after. But after some consideration, he decided it would be better to upgrade sooner. It would also give him more time to get used to the sensation of having level-two Mental Strength.
The remaining 200 Spirit Crystals should be enough for him to keep on hand.
Moreover, his current rate of acquiring Spirit Crystals was quite swift.
"Boom!"
Lin Yun closed his eyes and selected purchase. Soon, a vast wave of Spiritual Energy entered the space of his mind, melding rapidly into his Mental Strength and making his Mental Strength quickly grow powerful.
Previously, before leveling up his Mental Strength, he had already reached a very high level within level one. After spending 50 Spirit Crystals to enhance his Mental Strength, he managed to reach level one upper.
The most potent of those individuals he encountered was at the Mid Mingjin Stage.
Moreover, his learned hypnosis technique was extraordinary. Coupled with the Mental Strength stimulant pellet he had taken and his best form at the time, he secured a successful hypnotism of those individuals.
The higher their number, the harder it should have been. Thus, effectively hypnotizing so many people at once was indeed a real accomplishment.
This time, he spent 500 Spirit Crystals and only managed to advance his Mental Strength to level two lower, though it was very close to level two mid. Unfortunately, he couldn't quite make it there.
Although it was disappointing, it was also understandable.
Originally, his accumulation of Mental Strength was quite deep. In fact, the amount of his Mental Strength had already exceeded that of ordinary level one Mental Strength practitioners by quite a lot. It was only a breakthrough away from undergoing a metamorphosis, and it was after spending 50 Spirit Crystals that he finally managed to break through to level one upper.
The leap from level one Mental Strength to level two Mental Strength resulted in a significant enhancement in quality and quantity.
From what he understood, ordinarily, to raise his level-two lower Mental Strength to level-two mid Mental Strength through the official Cosmic Trading System would cost 1000 Spirit Crystals.
Bearing in mind that he only spent 500, the limited quantity of Spiritual Energy provided officially by the Cosmic Trading System, raising him only to level two lower Mental Strength was understandable.
Level two lower Mental Strength, under normal circumstances, could only affect martial artists at the beginning of the Dark Strength stage, and those at previous stages.
Influencing more advanced martial artists was not impossible, but that influence would evidently be pretty weak!
"Spirit Crystals, still lacking Spirit Crystals..."
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Lin Yun took a deep breath.
This item was still lacking. The Cosmic Trading System was like a bottomless pit that could never be filled completely. Yet, for every Spirit Crystal he invested, he gained a proportional benefit.
The most capable of those individuals was only at the mid Mingjin Stage, so his Fighter Level Hypnosis Skill, combined with his Level 2 Crystal Hypnosis Skill, ought to be sufficient.
Luckily, Hypnosis Skill was only divided into levels one, two, and three, with no divisions such as lower, middle, and upper within each level. Otherwise, he really would have been speechless.
Currently, he only needed to increase his Mental Strength level to influence higher-level martial artists, or even hypnotize them.
Of course, this would have to wait another two days until he could learn his level two Hypnosis Skill.
Now, his level two lower Mental Strength combined with his level one Hypnosis Skill only allowed him to hypnotize martial artists below the Dark Strength stage.