Because it's all soil here, the cave dug out wasn't solid enough. The cave was actually sturdier when burned.

The soil layer inside the cave is vitrified, so there's no fear of poisonous insects hiding in the earth.

Lu Yu just stepped into the cave when a torrential rain fell behind him. Immediately after, he witnessed silver snakes dancing in the sky, with lightning bolts striking the ground.

Seeing the glow of the fire appearing after the lightning faded in the distance, Lu Yu was somewhat delighted, "Thunderwood?"

True Thunderwood is the wood revived with vitality after being struck by lightning, sprouting green buds. Such trees undergo lightning strikes periodically, each time undergoing rebirth.

Trees that can survive for decades, even hundreds or thousands of years, reborn in thunderstorms, are true Thunderwood. They are extremely valuable and are the perfect choice for refining thunder attribute spirit weapons and spiritual treasures.

However, even the lightning-struck trees Lu Yu now sees have a certain chance to produce pseudo Thunderwood.

The tree's core may preserve vitality during the lightning strike, and the core can substitute Thunderwood in refining some low and mid-tier thunder attribute spirit weapons and spiritual treasures.

What excited him was not acquiring materials for refining thunder attribute spiritual treasures, but the existence of vitality born from thunder within the tree core just struck.

In other words, Lu Yu can absorb the vitality inside the pseudo Thunderwood core to recover his injuries.

Rumble~ The sky resounded, silver snakes danced, rain poured heavily.

Lu Yu braved the risk of being struck by lightning, rushing towards the source of the fire glow. If he hesitated any longer, the fire glow might be extinguished by the rain, making it difficult to locate the Thunderwood.

Bang~ A lightning bolt flew over Lu Yu's head. Originally, it should have landed not far from Lu Yu, but for some unknown reason, it suddenly diverted, striking the small mound where Lu Yu first stayed.

Lu Yu glanced at the lightning flashing above him and quickened his pace towards the source of the fire glow. Due to the thunderstorm, many poisonous insects and wild beasts hid away, and Lu Yu encountered no obstacles.

Under normal weather, if he dared to charge through the forest like he did now, he didn't know how many monster beasts, exotic beasts, and poisonous insect attacks he would face.

The fire glow had already extinguished, but Lu Yu relied on his memory to locate the spot struck by lightning. He took a risk to fly up and found the place from the air.

A scorched large tree stood on the ground, its leaves all missing, leaving only a cracked trunk. From the gaps in the trunk, Lu Yu saw a tree core emitting faint green light.

"So lucky, there's really a tree core."

Not every tree struck by lightning would leave behind a piece of Thunderwood core filled with vitality.

Lu Yu stepped forward to pull out the core from the trunk already charred by the strike.

The core of this large tree must be very long, but the pseudo Thunderwood core Lu Yu obtained was less than thirty centimeters long.

Touching the core, Lu Yu felt a slight numb sensation as if being electrified. Sensing the vitality born from thunder inside the core quickly disappearing, Lu Yu hesitated no longer.

He directly refined the core in his hand, extracting the internal vitality power.

The green glow emitted from the surface of the core rapidly disappeared, soon turning into a piece of ordinary wooden spirit material containing thunder attributes.

"Hoo~" Lu Yu let out a long breath, twisted his neck, moved his body, feeling his strength considerably enhanced.

The original vitality inside the core doesn't strengthen power, but due to limitations on his body, Lu Yu couldn't exert strength, so by absorbing vitality, restoring his strength, and fortifying his body, his power naturally grew.

Clenching his fist, Lu Yu felt he would need 99 more Thunderwood cores to restore fully.

He glanced at the Thunderwood cores in the mall, purchasing one, discovering the authentic Thunderwood core in the mall didn't contain vitality power.

Yet upon reflection, it made sense. Thunder's vitality power is only contained within thunder itself unless refined from thunder. Otherwise, it's impossible to capture its vitality power.

Refining a Thunderwood core just struck by lightning to obtain the yet-to-dissipate thunder vitality is indeed quite a clever move.

Now Lu Yu's situation is rather peculiar. He isn't weakened due to injuries but because his body completely transformed into a new one, unable to support the strength of his original power.

So consuming pills for injury recovery won't work, as Lu Yu isn't actually injured. He needs to enhance his body's constitution.

Even without actively cultivating a Body Refining Technique, over time, Lu Yu's physique would naturally enhance to the original strength, but this process takes quite a while.

Approximately between one and a half months to three months.

Reviving through the Seed of Demons wasn't without its price.

Presently, by enhancing his vitality and life force, he can unleash his hidden potential, speeding up his strength restoration. Lu Yu certainly wouldn't miss this opportunity.

He flew towards the new fire glow's appearance.

Even if he might be struck by lightning, Lu Yu wouldn't give up the chance to accelerate his strength recovery.

To be safe, Lu Yu brought an iron chain and a cage, holding the cage on top, with the chain connected to the cage and dragging on the ground as a conductor.

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