A year later.

In the past year, Green finally crossed the wilderness area between the Sixth Ring Holy Tower and the Holy Tower, and after crossing half of the Seven Ring Holy Tower's domination range, he returned to the Seven Ring Holy Tower's 10,000-meter Life Tree Defense Shield.

Inducing the Wizarding World's Origin Will, Green harnessed the Thousand-Eyed Giant Crab to cause a small ripple mark on the defensive shield of the vast Tree of Life, and then successfully penetrated inside.

The huge shadow of the Thousand-Eyed Giant Crab fell to the ground, becoming one of the many huge mechanical airships and slave behemoths in the sky, carrying Green to continue to fly towards the Grimm Demon Hunting Castle.

After a year's time, Green was on the back of the Thousand-Eyed Giant Crab, and finally learned the knowledge principles of the "Male Poison Refinery" improved by the Netherheart Master's "Mixed Poison Refinery".

The Netherheart is a vein called "Mixed Poison Refining", and the core of knowledge is a miniature parasitic creature called lymph.

After being guided by the wizard, this parasitic creature will gradually form a symbiosis with the wizard's cells, and then form a protective film outside the cell.

Green uses the companion insect 'fly' to affect the life code, accelerate the passive adaptation of creatures, and make the body cells and lymph evolve twice, and then produce a double effect, which is the outstanding achievement of Grimm during his apprenticeship, and it is also one of the reasons why he became the top wizard apprentice in the Holy Tower qualification battle.

Now that this "Male Poison Refining Body" has been improved, the core of knowledge is still drenched