The princes and princesses had ran away a long time ago, leaving the students to fend for themselves. The students were also terrified of the goblins and running away but with just one person saying two words and rushing forward, all students were motivated.
"CONTRIBUTION POINTS!"
When the other students heard these words, something inside them awoke. A beast that lives in every human heart, humanity's strongest power and greatest weakness, Greed.
Looking at the hundreds of thousands of goblins, some students began counting the points they'd have after the battle was over, plus, there were Alumni students taking on the strongest goblins and all they had to do was take care of the small fry.
"CONTRIBUTION POINTS!"
"CONTRIBUTION POINTS!"
"CONTRIBUTION POINTS!"
…
[Lightning Rain!]