Capítulo 609: The Start of The 3rd Semester.

"I refuse to believe that they are immune!"

Felix quickly started another attempt. This time, he raised the potency a little bit.

He stopped caring about its effect on the mixture and simply wanted to go all out on those lifeforms.

Unfortunately, nothing much changed. The poison had been completely ineffective against them.

Still, Felix didn't give up on using poison. So, he started creating other inducements and noting anything unusual that happened.

This kept on going for days until he had reached a hundred attempts with no visible results.

Hell, he even cheated and used other elements that weren't in his arsenal just to see if those little f*ckers were killable!

Unsurprisingly, not a single element worked against them.

In the end, he finally accepted the conclusion that those lifeforms were immortal!

"How the hell did Lady Sphinx manage to affect them?" Felix scratched his head in complete bewilderment.