The Grass Realm Forest Sea Art locked down an entire stretch of space, bringing the essence of attritional warfare to its utmost limit. Even though Chu Yun possessed the peerless innate Drunken Snow Blade, his brows were tightly furrowed.
He tried to withdraw the Eight Trigrams Battle Formation, but the eight immortal consorts were restrained by an invisible force and could not move at all. In other words, the entire formation space had been "kidnapped" by the World Tree.
"At this rate, the whole formation space will soon be filled."
"This is the Grass Realm Forest Sea Art, Green Wood King's trump card technique from back then. It consumes the cultivation of the World Tree and demon grass to unleash overwhelming vitality. It is said that endless trees and rampant grass once slowly exhausted a King-level expert to death."
"Blindly retreating is not a solution. Only by defeating the World Tree can we break this seal!"
The immortal consorts' anxious voices echoed within Chu Yun's heart.
"No, I have a better method. Spirit-Communing Snake!" Chu Yun fixed his gaze on the World Tree.
The World Tree immediately began to shake violently. Three breaths later, its trembling abruptly ceased.
The violently boiling wood-element essence energy swirled in circles, having lost its source of power.
"World Tree, return!" Chu Yun shouted. The mountain-sized World Tree immediately transformed into a streak of jade-green light and shot into his Immortal Pouch.
Once the World Tree was subdued, the mad surge of grass and trees immediately came to a halt. Soon afterward, the green leaves yellowed, and the vegetation withered and died one after another.
As for the forty-nine rare demon plants, they all turned to ash.
The Grass Realm Forest Sea Art consumed cultivation at an extremely frightening rate. Even the World Tree had