What he saw was a tree, a living tree with arms and legs, about meter tall. It even had a face complete with eyes, nose, and mouth.

Around it were numerous roots that moved endlessly, swinging around like whips, striking at people who tried to approach it.

ROAR!

The tree occasionally roared loudly like it was a beast.

Each of its attacks sent people flying while the city walls cracked.

DING!

(Primordial Sky Tree!

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- Level: 13

- Type: Monster Boss!)

(Warning: Each Monster Boss is extremely dangerous, possessing extremely threatening skills. In every civilization test, when going one-on-one with a monster boss, the success rate of winning is only 5 percent!)

The information came to Oliver as he observed the movable tree.

"Is this an easy or difficult enemy?" He wondered.

Actually he was thinking about using his fire that could practically turn everything into ashes.

The tree had too large a size, and its body should be very vulnerable to fire.

He felt that if he used his flames, it might not be difficult to defeat it.

However, he was in no hurry to start attacking, watching first.

In addition to wanting to observe the monster's strength, he also wanted to see the strength of the people.

Some stood out because of their impressive skills. There were people who could spout flames from inside their mouths while roaring, burn many roots in a single attack, and there were also those who could turn the wind into sharp objects that moved uncontrollably in the air.

While people-watching, Oliver was quickly drawn to Isabel's figure because of her striking movements.

She ran between the roots that tried to attack her repeatedly without hitting her.

Her agile movements were mesmerizing.

As she got closer to the monster, a sword appeared in her hand, a sharp silver color.

Shua!

She then jumped right in front of the huge tree which finally gave her a look.

In response, Isabel slashed her sword towards the tree, creating an even bigger silver slash.

It moved quickly and produced a buzzing sound that made people's hearing feel as if it was being attacked by something.

BANG!

It slammed into the tree's body, tearing it quite deeply.

People's eyes lit up seeing that, thinking the woman's attack was successful.

However, then the already torn tree body suddenly closed again with unimaginable speed.

"What? Can it regenerate?" they said.

Attacking the tree was extremely difficult due to the many roots in the way.

And when one managed to attack it, it suddenly regenerated at a ridiculous speed.

Naturally, this brought a sense of hopelessness to everyone involved struggling to defeat it.

"This is bad," Oliver said, in contrast to everyone else.

This was because he saw the hand from the tree swinging towards Isabel who was still in the air.

The problem was that the hand formed long sharp thorns. If they hit Isabel, they would practically hit her body.

Panic naturally appeared on the woman's face when she saw the attack.

She tried to use her sword to deflect the arrival of the tree hand.

Oliver who was quite far away pointed his hand forward.

Whoosh!

A golden beam of flame shot out from his hand, so small that no one could see it let alone see it emerge from his hand.

However, as it moved through the air, it became enormous in no time, forming a ferocious eagle.

Its light instantly illuminated the night and its heat turned cold into summer.

All eyes were on the fire including Isabel who was supposed to be focused on defending herself from the tree's attack.

They were all shocked to the point of wondering where the fire had come from.

To their further surprise, it moved towards the tree's hand, which was trying to attack Isabel.

Boom!

It exploded as it struck the tree hand, but then ignited a larger golden flame, burning the tree hand which quickly made a burning sound, turned black, and then began to turn to ashes up to its shoulders.

Only after the entire tree hand disappeared did the golden flames disappear.

However, a moment after that, a new hand grew from the tree, so fast that everyone's mouths were wide open.

"Ehh..."

Another thing surprised them.

Right after the hand grew, the previous golden flames suddenly flared up again, burning the hand again, turning it into ashes in no time.

After that a new hand grew again, but then it was burned again.

It was repeated up to five times. Only after that, did the tree hand stop growing.

'What the hell.' Even Oliver was astonished.

What astonished him was the power of the fire itself.

After losing one hand, the huge tree staggered until it almost fell. It seemed to be in great shock because it wasn't regenerating anymore.

On the other hand, people were still puzzled by who had released the golden flame.

'It seems that tree monsters like this are indeed very vulnerable to my fire power,' Oliver thought, smiling faintly.

'If it's like that, maybe it can attack without even having to move.

ROAR!

The tree suddenly roared very loudly, like rage had filled it. S~eaʀᴄh the Nôvel(F)ire.ηet website on Google to access chapters of novels early and in the highest quality.

Root after root came out from under the ground with purple-colored flowers on top of them.

The flowers gave a suspicious impression and their petals opened slowly.

When their petals began to open wide enough, purple smoke suddenly came out from them.

"Mm..."

Even Oliver who was quite far away smelled that purple smoke which was very uncomfortable, almost making him have trouble breathing.

Without a doubt it was a very dangerous poison.

"Quickly retreat, don't let you inhale it." The military captain gave instructions from the city wall.

He was surprisingly swift, showing his skill as a leader of troops and people.

Fortunately, the movement of the smoke was not fast, so everyone was able to avoid it without difficulty.

At this point, Oliver thought of attacking again, secretly sending a beam of golden flame into the air.

It was small but the power in it was enormous, using up a great deal of his Mana.