Genshin Impact.

After Lin Feng and the Knights of Favonius successfully resisted the initial invasion of the dark force, Mondstadt temporarily returned to its former tranquility. However, everyone knew that this was only a brief calm before the storm, and the unknown threat behind the mysterious crack was still lurking in the dark, ready to move.

During this time, Lin Feng practiced hard day and night, constantly improving his mastery and application of elemental fusion. He knew that only by making himself stronger could he protect the land and people he loved in the upcoming fierce battle.

One morning, Lin Feng was practicing in the wilderness outside the city when he suddenly felt a strong and unfamiliar elemental fluctuation coming from a valley not far away. He became alert and approached the source of the fluctuation cautiously.

When Lin Feng arrived at the entrance of the valley, he saw clouds and mist lingering in the valley, and the breath of elemental power was chaotic and violent. In the center of the valley, there was a mysterious man in a black robe, surrounded by strong dark elements, and the strong pressure made the surrounding air seem to solidify.

The mysterious man noticed Lin Feng's arrival and slowly turned around, revealing a face covered by shadows. His voice was hoarse and cold: "Are you the kid who mastered the element fusion technique? Humph, today is the day you die."

Lin Feng was not intimidated by the opponent's threat. He tightly grasped the weapon in his hand, and the elemental power in his body began to surge: "Who are you? Why do you want to be our enemy?"

The mysterious man sneered: "I am the messenger of darkness, ordered to destroy this world. And you are just a small obstacle on my way forward."

After saying that, the mysterious man raised his hand and waved it, and a dark elemental ray shot towards Feng Feng. Lin Feng dodged to the side and activated the element fusion technique at the same time, condensing a spear made of ice and fire elements in his hand and stabbed at the mysterious man.

The mysterious man stretched out a hand calmly, and the dark elements gathered in his palm to form a shield, easily blocking Feng Feng's attack. Then, he flashed and instantly appeared behind Feng Feng, raising his leg and kicking Lin Feng away.

Lin Feng fell heavily to the ground, but he stood up quickly, without any fear in his eyes. He mobilized all the elemental power in his body and injected it into the spear, and the elemental light on the spear became more and more dazzling.

Seeing this, the mysterious man began to quickly form seals with his hands and muttered something. As he chanted, the surrounding dark elements quickly condensed into a huge devil's claw and grabbed Lin Feng.

Lin Feng did not flinch. He raised his spear high and shouted, "Elemental power, gather in me!" All of a sudden, the six elements of wind, thunder, water, fire, earth, and ice surged from all directions and merged into the spear. The spear emitted a brilliant light, and Feng Feng swung it vigorously, and a powerful elemental shock wave collided with the dark claw.

"Boom!" A huge explosion sounded, and the light of the elements illuminated the entire valley. The aftermath of the explosion pushed Feng Feng and the mysterious man back a few steps.

The mysterious man wiped the blood from the corner of his mouth, with a hint of surprise in his eyes: "I didn't expect you to be able to exert such a powerful elemental force, but this still can't change your fate."

Lin Feng panted and said firmly: "As long as I'm alive, I won't let you succeed!"

The two men once again engaged in a fierce battle, the collision of elements made the valley glow with light and the ground shake. With his tenacious will and unyielding spirit, Lin Feng fought the mysterious man to a standstill.

Just as the two sides were deadlocked, the mysterious man suddenly laughed wildly: "It's time to end this boring battle." He put his hands together and chanted an ancient and evil spell. As the spell progressed, the dark elements in his body began to expand wildly, forming a huge dark vortex.

Lin Feng felt an unprecedented strong pressure, but he did not retreat, instead he rushed towards the dark vortex without hesitation. The moment he came into contact with the dark vortex, the elemental light on Lin Feng's body intertwined with the dark element and counteracted each other.

Time seemed to stand still at this moment, as Lin Feng and the mysterious man were trying their best to suppress each other. Just as Feng Feng's power was about to run out, his mind suddenly flashed through his experiences in Teyvat: his acquaintance with Amber, Lisa's teachings, his companions in the Knights of Favonius...

"I can't fall down like this, I still have things to protect!" Lin Feng shouted in his heart.

A strong force of faith surged from his heart, and the elemental light on his body suddenly surged. Under the impact of this powerful force, cracks began to appear in the mysterious man's dark vortex.

"No, this is impossible!" The mysterious man roared in despair.

But his resistance was futile. With a loud bang, the dark vortex was completely shattered, and the mysterious man was also reduced to ashes by the backlash of the elements.

Lin Feng fell to the ground exhausted, gasping for breath. At this time, Amber, Lisa and the Knights of Favonius arrived at the valley.

"Lin Feng, are you okay?" Amber asked with concern.

Lin Feng forced a smile: "I'm fine, we succeeded..."

Everyone cheered and lifted Lin Feng high up. They knew that after this battle, Lin Feng had become a hero who protected the continent of Teyvat.

However, they also know that there is still a long way to go and more challenges are waiting for them. But as long as they are united, nothing can stop them from moving forward.

In the afterglow of the setting sun, Lin Feng and his companions set out on their journey home. Their figures gradually faded away, but they left a strong mark in the history of the continent of Teyvat...