The perfect half-blood

The young man stood behind the elder. A dozen of cultivators were hovering in the air opposite them. And each of them was stronger than the protector.
- Patriarch, do you trust me? - The young man's quiet voice broke the tense silence.
- Yes. - The elder protector nodded after a few seconds.
- Good.
In the next instant the young man raised his hand to his face and a small ball of what looked like a drop of dark blood appeared between his fingers. A strange aura emanated from it, which instantly caught the eyes of everyone present. In the next instant the young man put the ball into his mouth and swallowed it. There was a brief moment of confusion. His body flashed a strange aura for a moment. After which the young man's cultivation began to drop rapidly and in a matter of seconds disappeared altogether. With a slight smile, the young man removed the ring from his finger.
- You wanted the treasure? You can take it.
The ring flew up, gleaming in the sun, and fell a dozen meters away from the young man and his protector.