The Wind Sand Armor created by the Wind Soul Beasts, although impeccable, still had exposed areas.
Of course, those parts were generally not their vital points, so being hit there was inconsequential.
However, the Wind Blades fired by the Wind Roar Beast cubs managed to pierce through the gaps between the Wind Soul Beasts' armor and their bodies, striking their vital areas.
Moments later, a Wind Blade, moving from the inside out, sliced through the armor on a Wind Soul Beast's neck, shooting out the other side.
At the same time, a special wind attribute power burst forth directly from the torn neck of the creature.
The Wind Roar Beast cubs let out excited roars, immediately spread their wings to pounce, and greedily began to devour the energy.
"Primordial Martial Nine Layers Peak, about to break through!" ᴛhis chapter is ᴜpdated by NoveI★Fire.net
Sensing the increase in the Wind Roar Beast's cultivation level once again, Zhao Letian couldn't help but reveal a look of surprise in his eyes.
This method of enhancing cultivation by devouring energy was even faster than taking elixirs, truly enviable.
However, he also knew that this method was probably only suitable for demon beasts like the Wind Roar Beast; other demon beasts and humans likely couldn't use it.
At the same time, the other Wind Soul Beasts naturally wouldn't allow the Wind Roar Beast cubs to freely absorb the energy of their companion and swung their weapons, roaring as they launched an attack.
Among them, several humanoid Wind Soul Beasts even unleashed huge sword auras, cleaving directly towards the Wind Roar Beast cubs.
Seeing that the Wind Roar Beast cubs refused to dodge and insisted on not letting go, still greedily absorbing the wind attribute energy, Zhao Letian's brows furrowed with a look of worry in his eyes.
However, just as he was considering whether to intervene, the thoughts of the Wind Roar Beast cubs echoed in his mind, conveying that there was no need for him to worry.
"Could it be because of the Eternal Tree Juice?"
Zhao Letian paused, momentarily dismissing the thought of intervening.
He suddenly remembered that the Wind Roar Beast cubs soaked in the Eternal Tree Juice might undergo mutation, becoming a mutated demon beast just like the adult Wind Roar Beast.
If that was the case, then this Wind Roar Beast cub would possess incredible self-healing abilities, and ordinary attack methods wouldn't threaten it at all.
The next moment, a sharp sword aura swept across the back of the Wind Roar Beast, leaving a deep, bone-exposing wound, with flesh turned inside out and blood spilling out, a horrifying sight to behold.
The piercing, severe pain made the Wind Roar Beast cub let out a pained growl, its facial expressions convulsing.
Yet, even so, it still clenched its teeth tightly, refusing to let go, continuing to absorb the wind attribute power.
Meanwhile, a dazzling bloody light suddenly emerged from the horrific wound on its back, and then, at a visible astonishing speed, the turned-out flesh began to rapidly heal.
"It really did mutate successfully!"
Seeing this scene, Zhao Letian couldn't help but show a look of surprise in his eyes.
With that, besides the Fiery Flame Mantis, another powerful variant demon beast joined his side.
According to what he knew, a normal Wind Roar Beast had a good chance of reaching King-level with natural growth, and a variant Wind Roar Beast, after reaching maturity, was almost certainly a King-level demon beast, with even the possibility of striking a higher realm.
Most importantly, within the Imperial Secret Realm, puppets and Spiritual Beasts with cultivation higher than the True Martial Realm could not be utilized. Zhao Letian faced extreme restrictions; neither the Corpse Ape, the Fiery Flame Mantis, nor the high-level Sect Martial Realm fierce spirits from the Ghost King Stele could be summoned.
Therefore, if he could cultivate this Wind Roar Beast cub within this one-month period, he would gain considerable fighting power.
If it were in the outside world, to cultivate a mere Primordial Martial Realm demon beast to the point of being helpful to Zhao Letian within a month would be nearly impossible.
However, within the Imperial Secret Realm, this was not entirely out of the question.
After all, the Primordial Energy of heaven and earth here was more than ten times that of the outside world. Cultivating here for a month might equate to several years' worth of training in the outside world.
Furthermore, this Wind Roar Beast cub could directly swallow energy to enhance its cultivation. With such a domineering method of training, it was indeed possible to elevate the cultivation level of this Wind Roar Beast cub to the peak of the ninth layer of True Martial within a month.
Just then, as the attacks from other Wind Soul Beasts were about to hit the Wind Roar Beast cub, a powerful wave of True Yuan energy burst forth from its body, instantly dispersing the oncoming assaults.
At the same time, a vast collection of Primordial Energy of heaven and earth converged above the Wind Roar Beast cub's head and then poured directly into its body, causing its breath to surge by several folds.
Zhao Letian couldn't help feeling elated at this sight.
A Wind Roar Beast with Nine Layers Cultivation of Primordial Martial was enough to handle this group of Wind Soul Beasts. After advancing to the True Martial Realm, Letian wouldn't need to worry anymore.
"Ssch! Ssch! Ssch!..."
Indeed, after advancing, the Wind Roar Beast's strength surged by several times. Its size also exploded from that of a house cat to over ten meters; its muscles bulged out, majestic and powerful. A gentle flap of its wings turned it into a red blur as it pounced on the remaining Wind Soul Beasts. Wherever it passed, all those Wind Soul Beasts were laid low by its claws.
After instantly slaying all the Wind Soul Beasts, the Wind Roar Beast cub opened its mouth wide, swallowed the energy inside the bodies of all the Wind Soul Beasts like a whale consuming its prey.
The next moment, the aura of the Wind Roar Beast cub surged greatly once again.
"True Martial second layer? Isn't that too fast?"
Sensing the current cultivation of the Wind Roar Beast cub, Zhao Letian frowned, revealing an expression of mixed amusement and helplessness.
This speed of cultivation level enhancement was abnormally fast, hard to accept.
Fortunately, he sensed that the Wind Force comprehended by the Wind Roar Beast cub was far above its Cultivation Level, so he didn't worry too much.
The Wind Roar Beast cub looked at Zhao Letian, excitedly roaring, its eyes filled with intense anticipation.
"You want to delve deeper into the Wind Domain to hunt more Wind Soul Beasts? It's possible!"
Sensing the intent from the Wind Roar Beast cub, Zhao Letian smiled faintly, nodded, and then led the cub, now over ten meters long, towards the depths of the Wind Domain.
Who would have thought that before they walked far, several huge whirlwinds suddenly formed out of thin air in front of them. Each whirlwind was at least several hundreds of meters in diameter, piercing through the heavens and earth, as if to destroy everything in their path.
However, upon seeing these whirlwinds, Zhao Letian was not shocked but rather elated, his heart suddenly coming to an understanding.