Gu Xi rarely used Death Domain, but that did not mean he did not know how to use it normally.
This move converted every other alien attribute into the death attribute.
That way, when Gu Xi fought, he would have an endless supply of death-attribute mana to use, and the battlefield could also be transformed in the direction Gu Xi needed.
Normally, this move could also be layered with Death Kaleidoscope or Underworld Battlefield and used together with them.
It was best used to corrode other Real Worlds or the Yang World.
The reason Gu Xi released this move at this moment was entirely because of the Ghost Kingdom's situation.
The Ghost Kingdom belonged to a state that could be either underworld or yang world.
When Gu Xi arrived and saw the state of that enormous capital, he already knew what kind of path this Ghost Kingdom Bright Emperor had taken.
Like an Underworld Master, because the Ghost Kingdom Bright Emperor could move the Ghost Kingdom back and forth between the underworld and the yang world, there would be a distinction between a Ghost Kingdom Bright Emperor who primarily ruled the underworld and one who primarily ruled the yang world.
The Ghost Kingdom Bright Emperor before him had clearly taken the path of primarily ruling the yang world.
His entire Ghost Kingdom had been placed in the yang world, only being sent into the underworld when necessary.
As a result, the undead under him underwent some subtle changes.
They could cooperate with ordinary creatures in battle.
They could pass things down like living people.
They could choose different professions.
The Death Domain Gu Xi released now was meant to destroy all of that.
For such a huge Ghost Kingdom, it was impossible to say that Gu Xi did not want