Lukka held the staff in his right hand and the sweet potato in his left hand, and recited the spell of regressive vision.

Now, he is the only one in this cycle, and even shutting up can't help much, and he can't come up with ideas. He vaguely felt that since he was trapped in the trap of time, he might be able to gain something with prophecy spells.

As the light and shadow around his body began to shift rapidly, Lukka was even more convinced that he had chosen the right spell.

The sweet potato in his hand, at the beginning of the light and shadow transformation, has shrunk into a raised nodule on the root vein. Soon, the squeezing of the surrounding dirt and the ensuing feeling of suffocation made him regret it a little. Fortunately, this situation did not last long, and many holes appeared in the surrounding soil, which seemed to be space left by the growth of tree roots.

The tiny nodules continued to change, gradually shedding their physical form in his hands, turning into a point of energy that glowed faintly green, and carried him all the way up the root veins to the thickest taproot.

He lightly touched the point of light, and there was a cold, sticky feeling in his hand. This energy was unlike any magic he had ever used, more physical than magical, more ethereal than entity, like a viscous liquid filled with life energy, but if you looked closely, it was just a ball of green light.

Lukka couldn't name the thing, so he had to memorize its features carefully, and was ready to write it down and throw it to shut up as research materials.

He used the sweet potato in his hand, that is, the green sticky point of light, as an observation point to cast a retrospective vision. Therefore, he was carried by this point of light and walked along the path of life energy on the sacred tree.

The light points follow the veins all the way up, past the towering trunk, reach the top of the canopy, and then fall back to the ground as the ripe fruit falls, re-entering the soil and being absorbed by the roots again.

For Luca, who was tied to the highlight of the group, it was not a pleasant feeling. He experienced a breathtaking sensation in the dirt, then took the tree trunk ladder all the way up, reached the highest point and did a few minutes of freefall, and then repeated.

Fortunately, these were just some of the sensations under the influence of the spell, and they did not cause him substantial damage, and he could observe the full state of the sacred tree as he went up and down.

Now, he was concerned about another important question: what time did the spell he had just cast set him to?

In previous exercises, according to Dolan, his retrospective vision was stable over a period of thirty-seven years. But now, he doesn't quite believe in that judgment.

For as he passed the middle of the trunk, he could clearly see that in the room that was used as a safe, the gray guiding stone was placed on the table on the left, and on the right, a flame was suspended in the air. In front of them, an orc with tawny skin and thick fangs was playing with a lute in his hand.

The two treasures were missing ninety-eight years ago, and the orc who played the harp, if it was Master Kayala, according to the records of the garrison, should have come to the Tower of Calm one hundred and twenty years ago and left ninety-eight years ago.

If it was only more than thirty years old, he and the two secret treasures would never have been placed here.

Confused, Lukka looked at the island beyond the trees as he rose up in the trunk. He soon found the familiar white shore, where a willow tree grew quietly among the white rocks.

Could it be that Dolan was lying? The thought flashed through him, and then he denied it. There is no need for the wood spirit to deceive people in this matter.

In the process of the ensuing free fall, Lukka suddenly figured it out.

Thirty-seven years ago, when Dolan returned to the island to recuperate, he had become a willow tree growing there. According to him, it was only this year that he became this plant, which is also true.

However, before he was awakened by the sacred tree and became a thinking wood spirit, a branch that had fallen off from the sacred tree took root on the shore and stood there as an ordinary plant, for I don't know how long.

So, the time Lukka went back to not thirty-seven years ago, but the time when Dolan was just a tree, not yet a wood spirit, and the Eternal Flame and the Guide Stone were still safely placed in the tower, and the orcs were on duty here as additional guards. In other words, it could be any day from ninety-eight to one hundred and twenty years ago.

But I still don't know exactly when I saw it. Lukka thought as he stared at the low willow trees on the shore.

He couldn't look any further, for the point of light had fallen to the ground again, carrying him into the dirt and sliding into the deepest depths of the tree's roots.

This time, the green dot of light went all the way up the taproot, and Lukka looked around in a harmless but still unpleasant sense of suffocation.

Suddenly, he spotted a cloud of silver light that he hadn't noticed before. He was all too familiar with the color of the light, it was a condensed magical energy.

Why didn't I see this just now?Lukka was a little surprised, with his sensitivity to magic as a high-level mage, he would never ignore such a large mass of energy, even if he didn't look at it with his eyes.

Soon, he got the answer.

The mass of energy didn't shine there all the time, but was slowly enveloped in the green energy of the sacred tree, covering its light, and it wasn't long before the magical energy gradually gained the upper hand again, revealing from the viscous liquid energy. It seems that this is also a kind of cycle that keeps repeating.

Are you trapped here, too?" Lukka smiled wryly. Now, as he burst out of the ground with the point of light, the cloud of magical energy was getting farther and farther beneath his feet.

Maybe the next time I pass by the roots, I'll be able to touch it?" he thought for a moment, then shook his head again. He was now under the spell effect of retrospective vision, and everything he saw was what had already happened, and he was just an observer of the time, with no real effect on what was around him.

In this state, although he can look around, he is still in a state of "casting spells", and he can't even cast another spell at the same time, let alone absorb magical energy.

Lukka was a little frustrated, but there was no other way to do it anyway now, even if it was just to set a position, and it would be easier to find this place after the spell was cast. He prepared, adjusting his body's center of gravity, ready to quickly reach out and touch the mass of energy the next time he passed through the center of the root.

After another free fall, he held his breath (not in the dirt), his left hand still grasping the green point of light that could not be let go, and his right hand holding the staff outstretched, his whole body almost sideways, and finally at the last moment, he touched the cloud of energy with the purple crystal on the head of the staff.