Becoming Professor Moriarty’s Probability

"Haa, haaaa..."

- Gooooooo...

The fight between Charlotte and Professor Moriarty, which had been going on for dozens of minutes already, had begun reaching an impasse.

"You're quite good at this, aren't you?"

Normally, with a higher concentration of mana and far superior skills and experience, Professor Moriarty should have landed an overwhelming victory in the duel.

"Has some sort of trigger led to an increase in your abilities?"

"... Quiet."

However, for some unknown reason, Charlotte's dark-black mana, which seemed several times darker and more ominous than usual, was barely able to successfully defend against Professor Moriarty's all-devouring deathly grey mana.

"Just, just a little more strength!"