Douluo Continent: Starting by nuking Shrek Academy

Special Forces King Yuan Lang transmigrates to the Douluo Continent and becomes a temporary worker at Shrek Academy.
After Tang San and his friends enrolled and began training, the already impoverished academy's finances were further strained, forcing Principal Flander to lay off staff.
Today is the day I am to be dismissed.
Knowing that Tang San was targeting him with his death-seeking path, Yuan Lang proposed to awaken his martial soul in exchange for his salary, which caused a burst of laughter from the room.
Unexpectedly, Yuan Lang was exceptionally talented, awakening his twin martial souls, [Nuclear Bomb] and [Quantum Computer], on the spot, and possessing innate full soul power.
The entire school was shocked the moment the mushroom cloud rose over Shrek Academy.
The teachers who had previously been adamant about dismissing him have gone completely crazy.
"It's incredible that this unassuming iron mushroom has such power!"
"Having just awakened his martial soul, he was able to severely injure a Grand Soul Master. Even the Six-Winged Angel of the Spirit Hall is no match for him!"
"With this martial soul, why would you need a temporary job! As long as you join Shrek Academy, all fees will be waived, and you'll even receive a living allowance..."