With Lu Yu's roar, the flame demon rushing out from around him died.

I saw Lu Yu's eyes shining with purple light, and his eyes seemed endless, and he could see through everything in the world in an instant.

"So they are all protecting this thing!"

Lu Yu murmured and immediately fell rapidly, killing hundreds of flame demons in between.

Under the protection of these flame demons, a dazzling flame floated in the void underground. Under the influence of this flame, all the surrounding magma retreated to the surroundings, as if they were afraid of the flame.

"This should be spiritual fire."

Lu Yu came directly to the side of the Spirit Fire, and his magic power was circulated in his palm. His palm was immediately shrouded in a golden light, and the light was shining brightly.

Although this spiritual fire is extremely hot and can burn everything, it does not affect Lu Yu's current body of the ancient martial saint.

Seeing that Lu Yu was about to approach, the ball of spiritual fire suddenly shook and blew for a few times, and suddenly turned into a flaming bird and flew towards another abyss underground.

"I still want to leave?"

In an instant, Lu Yu knew that this should be the spiritual object of heaven and earth formed by the gathering of elements.

It is the same kind of creature as the metal tiger I encountered on the ancient Chen Star before.

Lu Yu raised his hand and grabbed it, directly used the dragon-capturing hand, grabbing the bird that turned into a flame in his hand.

The bird struggled hard, but could not break free from Lu Yu's hand.

Lu Yu did not hesitate and directly opened his mouth to swallow the spiritual fire.

As soon as the spiritual fire entered the body, it immediately turned into a surging fire, lingering in Lu Yu's meridians.

A stream of pure fire attribute elements echoed around Lu Yu's body, and powerful magic power fluctuations continued to spread around.

In Lu Yu's cave, there are already magic powers of three elements: gold, wood, and water. At this moment, the light column that symbolizes the fire attribute magic power is also growing rapidly.

However, compared to Lu Yu's powerful cave heaven, this level of mana is just a drop in the bucket.

"It's indeed a treasure land. I want to devour some more fire-attributed spirit beasts, which should be able to temper the fire-attributed magic power to great success!" Lu Yu simply let go of his hands and feet, and started killing underground, swallowing the surrounding spirit fire one after another.

Boom! Boom! Boom! Boom!

As Lu Yu slapped the hard rocks in front of him were shattered one by one.

The underground of this spiritual fire land has been completely occupied by the underground flame demon.

These creatures with surging flames were burning all over their bodies, and their eyes were full of killing. They had no other thoughts except killing all the creatures in front of them.

The further he went, the stronger the Flame Demon's strength became. Lu Yu advanced for about three or four hours and had reached the hinterland underground.

It is darker here than outside, and the strength of the Flame Demon has grown to the strength of the Sanxian, which is extremely terrifying.

A scattered immortal may not pose a threat to Lu Yu, but hundreds of scattered immortal flame demons gathered together, which was enough to cause the mountains to collapse.

However, such terrifying forces were killed with one punch in front of Lu Yu.

Lu Yu was like those ancient martial saints, and he could level everything with one punch.

"The more you go, the stronger the spiritual fire!"

Along the way, Lu Yu also summarized some experiences.

In his cave, the majestic fire elements have gradually gathered and formed a certain scale.

He grabbed another flaming spirit beast and swallowed it directly into his mouth. Lu Yu's fire element mana became stronger again.

If someone else is here, when he sees this kind of situation, he will definitely scold Lu Yu for being extravagant.

A spiritual fire is enough to allow an ordinary pharmacist to grow into an alchemist. Even if an alchemist obtains spiritual fire, he can use this flame to greatly improve his alchemist strength.
Chapter completed!