Following closely behind the mutated leaping bugs were the Spikers. As they entered firing range, countless fireballs rained down like a storm, bombarding the skeletal knight clusters that had been blocked by the mutated leaping bugs.

  The fiery explosions, the screeches of the swarm, the shattered white bones, and the flying flesh turned this battlefield into a brutal meat grinder.

  High above in the skies, over 200,000 Thunder Drakes soared, each carrying around 20 suicide bugs attached to their bodies.

  They bypassed the aerial skirmish zone between skeletal bats and flying bugs entirely.

  Their target was the Necromancer arrays at the rear of the undead army. Once they got within range, the 4 million suicide bugs riding the Thunder Drakes flapped their wings lightly and detached from the dragons, scattering in all directions.

  Freed from their burdens, the Thunder Drakes’ bodies immediately flickered with arcs of blue electricity.

  They accelerated with Thunder Charge, adopting a loose formation and diving from high altitude.

  In an instant, the Necromancer formations were brought within range of their thunder flashes.

  Electricity coiled around their bodies, rapidly gathering toward the blade-shaped single horn atop their heads.

  A large amount of lightning element condensed at the horn’s tip, quickly glowing with a bright blue light.

  The energy surged into a volatile orb of lightning.

  Then, once it reached critical mass, the orb transformed into a beam of lightning-element energy.

  It rained down from the sky—beams of blue energy streaking downward, aiming straight at the Necromancer arrays.

  Under the intense bombardment of the thunder flashes, the magical barriers surrounding the necromantic formations flickered once and shattered completely.

  Since the beginning of the battle, the Thunder Drakes had never revealed their thunder flash ability, making this strike devastating—instantly wiping out over 60 Necromancer magic arrays.

  The sudden barrage of thunder energy startled Cedric. He looked up abruptly, eyes cold and venomous, glaring at the Thunder Drake swarms in the sky.

  His expression was grim. To Cedric, the skeleton horde, skeletal knights, and skeletal bats were all mere expendables.

  But these Necromancers—these were his most treasured subordinates.

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  They were not only the providers of long-range firepower but also responsible for reanimating lower-tier undead and performing rituals to summon high-quality undead.

  They were the foundation of his undead swarm tactics—the true core units of the undead army.

  Thus, Necromancers were always stationed safely at the rear of the undead forces, well protected from harm.

  Now, with the Thunder Drakes’ high-altitude assault and focused thunder flash attack, nearly a tenth of them were obliterated in an instant, filling Cedric with seething rage.

  “So these lesser dragons are your followers? If they dare to come here, they’ll all be buried here!”

  With Cedric’s furious declaration, over 200 Necromancer formations unleashed spectral energy beams into the sky.

  Sickly green rays crisscrossed with the blue energy beams, creating a chaotic fireworks display of green and blue explosions across the heavens.

  As the frontline firepower suppressing the swarm weakened, the more aggressive bugs surged forward at a much faster pace.

  The skeletal frontlines, overwhelmed by the fireball bombardments, were forced to retreat again and again.

  The Spikers’ fireballs extended deeper into the undead army ranks alongside the advancing front.

  At that moment, a large number of skeletal mages hidden within the skeleton horde finally revealed themselves.

  These lower-tier mages, not yet advanced to full Necromancers, waved their bone staffs, casting waves of green light onto the frontlines.

  The undead’s signature spell—Undead Summoning—spread across the battlefield.

  Unfortunately, the once-reliable spell now could only raise a sparse number of cannon-fodder skeletons.

  Gone were the days when it would resurrect large swaths of low-tier undead en masse.

  Knowing that the enemy was composed of undead followers, William had naturally prepared for this tactic.

  The areas struck by explosions were already devoid of intact corpses or skeletons.

  Afterward, they were overrun by swarms of bugs, which chewed up and swallowed any fallen undead or bug remains.

  In those bug-trampled zones, not a single intact skull remained—no proper vessel to host soul flames.

  Without a skull to protect the fragile, newly kindled soul flames, the moment they ignited, they were immediately trampled out.

  As the skeletal mages appeared, a cold smile curved William’s lips.

  “So you’ve finally decided to show yourselves. I’ve been waiting for you for a long time.”

  He immediately tugged on the threads of faith, sending a signal to the suicide bugs that had been waiting for the order.

  The first to act were the 4 million suicide bugs that had ridden the Thunder Drakes deep into the undead army’s rear.

  They flapped their wings rapidly, flying at extremely low altitudes, just a few meters off the ground.

  Their goal: to converge rapidly on each of the floating Necromancer formations.

  Realizing what was happening, Cedric’s expression twisted as he watched the strange bugs swiftly approach his Necromancer arrays.

  The fiery elemental waves radiating from the bugs made Cedric immediately feel a sense of dread.