Looking at the items in the gift box, Lu Yan's eyes revealed surprise.
He did not expect the gift from Irina to be such a thing.
It was shaped like a heart and had a texture like a stone. It was pitch-black and emitted a familiar fluctuation.
However, it was not an undead aura.
Lu Yan thought of something and raised his eyebrows slightly.
This was the aura of the Netherworld King!
After absorbing the Netherworld King bloodline, Lu Yan had a very sharp perception of the Netherworld King's aura. He couldn't believe that the thing in the gift box in front of him actually contained the Netherworld King's aura!
This surprised Lu Yan very much. After all, things that contained the undead power might be very easy to obtain, but things that contained the power of the Netherworld King were very difficult to obtain.
Looking at Irina in front of him, Lu Yan frowned and said, "Miss Irina, what's this?"