"Rumble!"
The stone door slowly opened with a dull rumbling sound.
Learning that Elder Yan would soon pass away stirred something inexplicable within Liu Yu, and his mood grew heavy.
After returning to his cave abode and putting his feelings in order, he waited until the lake of his heart had calmed, then prepared to enter the cultivation room.
But just then, an immense fluctuation suddenly erupted from his Spirit Beast Bag!
"Hm?"
"Little Green?!"
Liu Yu touched the faintly trembling Spirit Beast Bag. Through the connection of the master-servant contract, he instantly sensed Little Green's current condition.
Little Green was in a peculiar state. The serpent's spirit was somewhat listless, yet the essence of its life was slowly rising, growing stronger bit by bit.
After being stuck at peak second tier for decades, is Little Green finally breaking through the bottleneck?
The thought flashed through his mind, and he hurried toward the Spirit Beast Room.
"Tap, tap."
Upon reaching the Spirit Beast Room, Liu Yu removed the Spirit Beast Bag and tipped it downward. A massive dark silhouette instantly appeared in the cold, damp chamber.
The serpent was fifty to sixty feet long, its body as thick as a millstone, its pale green skin resembling verdant jade.
Rather than being flat, its head had a pronounced shape that naturally carried a measure of majesty.
Over the decades, Little Green's appearance had changed considerably, becoming vastly different from that of a Netherworld Spirit Snake.
Its once greenish-black skin had turned pure green.
This meant its bloodline transformation was complete: it had fully reached the spirit demon level.
With a spirit demon bloodline, breaking through the bottleneck of condensing a demon core shouldn't be difficult.
*For a demon beast, advancing to third tier in just over a hundred years is certainly