At the thought of the Extreme Thunder Overlord Dragon advancing...
Xiluo's heart could not help pounding.
The Extreme Thunder Overlord Dragon was already powerful enough. What kind of Dragon would it become after another advancement?
And how far would it raise his strength?
Would he be able to challenge that Ancient Red Dragon again?
At the thought of the Ancient Red Dragon, Lance Tiamat...
Xiluo felt somewhat helpless again.
In fact, he had already challenged him when he first reached level 23.
Unfortunately, the result had still been his defeat.
With a bone age of 52 years...
The Dragon God's direct offspring, who had officially entered young adulthood...
Had already reached level 24, at the Heaven's Mandate+ tier.
Even with his full strength unleashed, Xiluo had lasted less than ten minutes against him...
The power of his fire and the toughness of his Dragon body were beyond imagination.
He silently sighed.
Xiluo approached Allen's cavern, intending to use the King's Ring to travel to World Tree Island.
But just as he drew near...
His Dragon body stopped short.
Then he reached the cavern entrance in two strides.
He narrowed his Dragon eyes.
What's going on? There are actually barriers at the entrance to block entry, prevent prying, and sound an alert.
These barriers even seem to be the ones I taught him five years ago...
I don't remember Allen having a habit of setting up such tight barriers.
As Xiluo thought this...
He gently waved his Dragon claw.
The barriers immediately dissolved.
Everything inside the cavern was laid bare before him.
The once-spacious lair, which had been carpeted in gold and silver, had nothing but bare earth.
Allen was nowhere to be seen.
It looked exceedingly empty.
Inside the lair, only a Spatial Ring, a King's Ring, and a letter