张 widen his eyes when he saw the characters "Ye Family" on the piece of paper. He frowned deeply, feeling a sense of unease. This was something he had seen before.

"I don't understand," he muttered, holding the paper in his hands. "Why would someone leave this behind? Is it some kind of warning or a challenge?"

As he pondered over the mysterious note, he suddenly felt a rush of energy flowing through his body. It was like a warm wave, stirring up something deep within him.

"What's happening to me?" he wondered, feeling a strange tingling sensation all over his body.

Before he could fully grasp what was going on, a bright light enveloped him, and he felt as if he was being pulled into another world. The light intensified, and his vision blurred.

When the light subsided, he found himself standing in a vast, empty space. The walls were made of shimmering, translucent crystals, and the air was filled with a sense of mystery and power.

"Where am I?" he asked aloud, scanning the surroundings. "Is this some kind of dream?"