C693 CHAPTER693
The senior mentor and his students were in a very difficult situation.
Devilfiends were a type of High Rank Devil Beast created by warlocks.
Although it was called a High Rank Devil Beast, in reality, no Element Power could be used.
What they had was that power that was even more terrifying than a high rank demon's, and that it was thick enough for their skin to be thick enough.
Moreover