Seeing how confident Zhang Xuan was, Chen Yin didn't say anything else.
After all, it was useless to remind him more about this kind of thing. It mainly depended on how Zhang Xuan dealt with it himself.
Only he could withstand it, so their efforts wouldn't be in vain.
"Alright, let's begin."
As Chen Yin spoke, he directly took out the abyss class advancement book.
Although it was said to be a class advancement book, it was actually just a dark purple crystal.
And this dark purple color was representative of the abyss.
"Absorb this into your profession's system and start changing your profession."
"We'll guard outside. As soon as we sense the abyssal aura on your body increasing, we'll attack immediately."
After Chen Yin's reminder, Zhang Xuan also took the crystal.
He immediately sat down cross-legged and directly absorbed the crystal.
[Class Advancement Begins]
