The howling Yuan Beasts ceaselessly charged at Guo Linn and Ah Du. At this moment, Guo Linn was still casting the Flame Spell, which was currently quite effective against these Yuan Beasts. However, the sheer number of these Yuan Beasts was overwhelming to the point where Guo Linn could see no end in sight. After a while, Guo Linn could already feel that the True Qi within him was somewhat depleted.
Although Guo Linn could deploy the Flame Spell, the flames were still transformed by his True Qi and were not inexhaustible. Obviously, once his True Qi was exhausted, the flames would naturally vanish, and any other transformations would cease as well.
Even though the number of Yuan Beasts burned to death by Guo Linn was uncountable, the Yuan Beasts kept coming in endless waves. In the end, Guo Linn was merely a cultivator and not a machine. At this point, he clearly felt that his True Qi was insufficient.
