820 The Magic That Makes Even Gods Sigh

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"Flame King, fall back. I'm going to use a forbidden spell," Xia Ming said calmly.

"A forbidden spell?" Flame King's eyes widened in surprise as she looked at Xia Ming. She had never known he had mastered a forbidden spell. Just how many secrets was this guy hiding?

The power of a forbidden spell was incomparably formidable. More importantly, its range was immense, enough to encompass the entirety of Four Seasons Valley.

However, while forbidden spells covered a vast area, their attack power was correspondingly dispersed. Unless one had mastered the legendary single-target, small-range forbidden spells—existences even rarer than large-scale forbidden spells.

Of course, forbidden spells also had their drawbacks: their chanting time was far too long. Even with Xia Ming's current chanting speed, it would take nearly fifty seconds to cast a complete forbidden spell. That was also why Xia Ming had never used forbidden spells in battle.

But at this moment, using a forbidden spell against the Undead Legion below could not have been more fitting!

Flame King, Little Kitty, and the little Thunder Beast all wore curious expressions. They retreated together, staring blankly as Xia Ming began casting the forbidden spell.

At that very moment, the Orc Empire and the Undead Legion had also regrouped. Although the Great Elder's death had sent a shiver through both the Undead Legion and the Orc army, once one reached Xia Ming's level, a mere wave of the hand truly could alter the course of a war.

The strength Xia Ming had displayed was simply terrifying.

The Orc army and the Undead Legion gathered together, with several commanders among them doing their utmost to keep the two great legions from falling into disorder.

A cold smile curled across Xia Ming's lips. With the Great Elder dead, the enemy was leaderless.