It truly wasn't that Xu Nan was a beast, but that there was no way to reject this mission reward!
[ advancement energy rank index ] was a very important indicator. It basically represented how much bloodline enhancement a Warlock could get after advancement.
Xu Nan had a chance to purify his bloodline. In addition to the other preparations he had made, his current fate sorcerer advancement mission list only had a maximum of two levels.
And once he completed this mission, he would be able to advance by three levels, which would be very important for his path after becoming a fate sorcerer!
Even the same profession had differences in strength. To a large extent, it was due to the problem of the advancement ability index.
A hastily prepared advancement could still succeed, but the advanced profession itself would not be able to enjoy more Foundation bonuses, and it would also appear very thin.