Han Wu had previously possessed eight plane bodies.
They were the Reality Plane, Dark Plane, Virtual Plane, Divine Wind Plane, Radium Plane, Root Plane, Ice Blade Plane, and Collapsing Jade Plane.
During this period, Han Wu had remained outside the Protective Crystal Wall and suffered quite a few attacks from lifeforms of Unknown Civilizations.
From these invaders, he had obtained quite a few good things.
As a result, the planes he possessed had improved to varying degrees.
Among them, Han Wu was unable to fuse the Reality Plane body with other planes.
That was because the Reality Plane body possessed the ability to upgrade itself.
The basis for its upgrades was Han Wu's own strength.
If Han Wu reunited all his avatars into one, his Reality Plane body would reach Supreme Treasure Quality.
The Dark Plane's initial quality had been rare.
As Han Wu's understanding of planes deepened, he learned that the Dark Plane was not an elemental plane and differed greatly from the Darkness Plane.
As for how he had learned this, it was because Han Wu had obtained a Darkness Plane body while fighting lifeforms of Unknown Civilizations.
Although the Dark Plane and the Darkness Plane were different, they still shared quite a few similarities.
Therefore, Han Wu attempted to fuse the Dark Plane body with the Darkness Plane body.
In the end, he obtained a Rare Quality plane: the Ultimate Dark Plane.
Besides possessing some of the Darkness Plane's characteristics, the Ultimate Dark Plane also involved certain mental effects, causing the target's emotions to sink into a low and dispirited state.
It was extremely useful against weak opponents with unsteady wills.
Then there was the Virtual Plane.
The Virtual Plane had initially also been a Rare Quality plane. Its characteristic was the ability to render the body