Perhaps spurred on by Dugu Yan and Zhu Zhuqing, the Heaven Dou Imperial Academy Team had been training like they were on stimulants lately, heading to the simulated training grounds whenever they had free time.
In less than two months, Yu Tianheng had actually broken through to level 40.
Chen Kui led the group toward Sunset Forest, intending for them to work together to obtain Yu Tianheng's Fourth Soul Ring.
After much discussion, they decided to hunt an Overlord Thunder Dragon between 4,000 and 5,000 years old for Yu Tianheng.
Fortunately, when Shi An had previously taken the Nether Wind Butterfly from Zhu Zhuqing, he had happened to encounter an Overlord Thunder Dragon. After two months, that beast was presumably still active in that area.
After several days of travel, they really did come across that Overlord Thunder Dragon, which was over 4,300 years old.
With everyone working together, the Overlord Thunder Dragon had no ability to fight back at all.
Yu Tianheng successfully obtained his Fourth Soul Ring as well.
However, unlike in the original story, Yu Tianheng's original Blue Lightning Divine Dragon Rush had become Blue Lightning Thunder Dragon Roar.
This soul skill was a sound-wave-type soul skill that released a sonic wave when activated.
It suppressed all soul beasts and Soul Master martial souls with bloodlines inferior to dragons.
It could also unsettle the minds and destabilize the Soul Power of ordinary low-level Soul Masters.
Overall, it was still an excellent soul skill.
But perhaps Yu Tianheng had drunk too much, because after returning to Heaven Dou Royal Academy, he actually took the initiative to challenge Shi An.
Word of it spread throughout Heaven Dou Academy.
All the Soul Masters of Heaven Dou Royal Academy gathered in the academy's main plaza, and even many instructors came to