The black dragon answered proudly
''Master have you felt your personality slightly changing lately? That's because all 3 parts of your soul have once again become one.
Although back then, you split your soul into 3 parts and reincarnated, your desires were all hidden deep inside you even after your soul fused back together. In other words, you hadn't yet woken up. That was the only way I could stimulate your soul's desires and help you wake up.
As for the reason why master can sense my emotions, as I am soul-bound to master, we can both exchange messages with our minds. However, master isn't strong enough yet and you have to wait until you reach at least the Spirit realm before using your soul to directly transmit telepathic messages.''
''Spirit realm? Is that the realm above the Heaven grade?''
''Mm'' the black dragon nodded
''Also what do you mean by soul-bound?''