Btth: Xiao yan with killing system

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Xie Mo's fortress was a towering structure, perched on the edge of a craggy cliff overlooking the valley. The air crackled with a strange energy, and the ground itself seemed to tremble as Xiao Yan and Su Mei approached. Their footsteps were soft, but the tension was thick in the air. Su Mei glanced nervously at Xiao Yan. "You sure you want to do this alone?" she asked, her voice betraying concern.

Xiao Yan nodded, his eyes fixed on the fortress ahead. "I'll handle Xie Mo. You focus on the guards. We can't risk failure."

She hesitated but finally nodded, understanding the gravity of the situation.

The fortress was heavily guarded. The moment Xiao Yan and Su Mei made their move, they were spotted, and a flurry of guards emerged from the shadows. Xiao Yan was swift, cutting down the weaker foes with precise strikes, his movements fluid as the system's enhancements powered him. Su Mei fought alongside him, her Dou Qi crackling as she dealt with the remaining enemies. The two worked in perfect harmony, but the real battle was yet to come.

As they approached the inner sanctum, the massive doors to Xie Mo's throne room opened, and the man himself stood before them. Xie Mo was a formidable figure, a towering presence whose eyes gleamed with disdain. "I see you've made it this far, little ants," he sneered, his voice deep and rumbling. "But it's the end of the road for you."

Xie Mo raised his hand, and the air around them twisted as his spatial techniques activated. The ground cracked, and rifts in space began to form, each one sending out dangerous pulses of energy. Xiao Yan's heart raced, but the system offered its support.

> "Activation: Crimson Sky Slash. Cost: High."

Ignoring the price, Xiao Yan unleashed the Crimson Sky Slash, a destructive wave of energy that tore through the rifts and shattered Xie Mo's defenses. The blast sent Xie Mo reeling, his power faltering under the onslaught.

With a final, desperate strike, Xie Mo fell, and his life force was absorbed by the system. Xiao Yan could feel the surge of power course through his body as the system confirmed his victory.

> "Level up: 9-Star Dou Ling. New Skill unlocked: Void Step."

But as the adrenaline faded, Xiao Yan looked toward Su Mei, who was watching him with a mixture of awe and concern. Her voice was soft, tinged with fear. "Xiao Yan… what's happening to you?"

He didn't answer. The power coursing through him felt intoxicating, but it came at a cost. Deep inside, he knew it wasn't just the fight that was leaving a mark—it was the path he was walking.

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