Looking at the lines of runes that looked like flames and seemed to be burning all the time, Han Yu Xiaotian remembered the basic nature of flames that he knew~

Fire is a phenomenon that emits light and heat during the burning of materials. The temperature is very high and it is a way of releasing energy.

The visible part of the fire is called the flame. It can have different shapes with the vibration of the particles. When the temperature is high enough, it can appear in the fourth plasma state, similar to a gas.

The essence of fire is the manifestation of energy and electron transition.

Simply put, fire is a phenomenon rather than a substance, different from water.

All these are the scientific understanding of flames.

But are these the essence of flame?

Han Yu smiled and thought.

What is fire?

At this time, Han Yu Xiaotian's mind recalled the ancient people's understanding of flames he had seen in "Tao Wenfu Shushu" and other sub-collections of classics and history~

"Said Wen"-Fire, also travel to the South. Yan up, pictogram.

"Chunqiu•Yuanmingbao" ─ ─ Fire is the verbal resignation, so the two characters are scattered for the fire.

"Zizi" said: "The Sui people go up to watch the stars, but look down at the five trees and think they are fire."

There is a similar record in "History of the Road", which says: "The Sui people are observing the Qianxiang, chasing Chen Chen's heart out of fire, and doing drill Sui."

...

As the so-called wood makes a fire~

Hanyu Xiaotian has clearly understood the two runes of'water' and'wood', and according to the five elements' mutual growth and mutual restraint, aquatic wood and wood generate fire, so for this third rune, Hanyu Xiaotian also naturally chose the fire rune. Pattern.

The fire is the flame.

Lie is fire, bright, and the sun rises and sets repeatedly, running endlessly, and being gentle.

C is the fire of the sun, south. Ding is the fire of candles, south.

...

Two hours later, Hanyu Xiaotian's eyes suddenly shot out two bright lights, and at the same time, he blurted out: "The fire is the essence of the Yang. The fire, the sun."

At the same time, in the cosmic starry sky in Hanyu Xiaotian's mind, a fire suddenly broke away from the two central stars of Hanyu Xiaotian's Taiyin Sun~

This originally insignificant flame just left the sun star, and then quickly flew towards the inexplicable place in the cosmic starry sky.

When it passed the green woodland where the runes of the wood were located, immediately, endless green energy poured into the fire, and a raging fire burst into the sky!

Tinder expanded ten million times in the blink of an eye!

Along the way, the surging energy overflowed, seeming to bring a burst of fiery burst to the cosmic starry sky~

The terrifying energy contained in it has reached the same level as the rune of water and the rune of wood at this instant.

In the flames, a figure the size of a planet jumped into the sky, as if experiencing the burning of this starry sky.

It is the **** of stars!

I don't know how long it took, the monstrous flame seemed to shrink a little, and gradually drifted to the south of the universe, forming an endless sea of ​​fire, which never moved.

At this moment, the **** of stars has undergone a subtle change again.

Half of the star power has become more condensed, and the body seems to have shrunk slightly, as if some impurities have been tempered out during the calcination of the five elements just now...

After this advancement, the speed at which the Star God absorbs Xinghui suddenly more than doubled! The infinite stars cover the sky, submerging the **** of stars in a sea of ​​light~

For an instant, Hanyu Xiaotian's mouth was filled with a smile~

Rune of fire, success!