Vegetation, climates, and terrains will become much more different, different types of Qi with its unique attributes will combine and form a all new type altogether, holy and unholy Qi, Demonic and Pure Qi, Green Qi and fire Qi, these things will form all variants and sub variants of Qi energy and attributes, logic and knowledge that you think you know is no more because this is already beyond common sense, Chaos, unnatural ways to gain power and also monstrous like growth.
The emperor's family intends to destroy different realms in Murim and allow the Human Realm to absorb and combine them all, and as for the victims and slaves they harvest from each realm, well, I'm sure you can guess what will happen to them. According to their worth, quadrillions and septillions of people will be turned into slaves, human-hybrids, and other forms of servitude.
Life will no longer be enjoyable once their plan comes to fruition, the weak will suffer, and the strong will become stronger, turning into monsters with inhumane strength and a violent mental state, and the funny part is I don't think the emperor's family will care that much about society once the Sacred Realm invasion is over, And the funny thing is, I don't think the emperor's family would care about society once they were done with the Sacred Realm invasion. My guess is that they would just invade more Realms and do the same thing on all of them, gaining armies, riches, and new land but no citizens to call their own, instead violent, rabid, and horrid human hybrids they call the perfect human, such nonsense.
The emperor's family has gathered all 10,000 of the fallen emperor's children and his 900 whore of wives, and all 100 quadrillion of their now named "battle slave unit" is in position, everyone with chains and mouth gags to make them stop secreting poison, spit, and blood everywhere.
These battle slaves served as shock troops, dishing out damage when on the front lines, and most likely became pawns for any strong weapons or martial art experts, taking all the damage for the emperor's family to take the final hit in, a truly cowardice strategy.
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So, with the emperor's family, troops, and siege weapons all in place, how could one possibly invade the Sacred Realm? The emperor's 900 whores plan to create an array that will slash space and directly open a portal to the lower levels of the Sacred Realm because that is the limit of their colorless Qi; they will need a lot of Qi and internal energy to pull it off, even if they combine all 900 wives' Qi,Internal and life energy will not suffice. You may be wondering how they will compensate for this. Of course, with slaves! Surely sick bastards like these will use taboo techniques, and taboo techniques they did use, and unfortunately, a lot of them.
They require a lot of energy to forcibly open a portal to the Sacred Realm. Normal Qi would simply be brushed off when attempting this process, so Inner Qi and Life energy are required. So, in order to reduce the amount of energy required, the emperor's family intends to use all of the remaining slaves who have not been transformed into human hybrids as ingredients for the Taboo array.
The Taboo array is called "Demon feast," and it uses people's life energy and sucks it all out until what remains of these sacrificial pawns is dust. A very inhumane and lethal technique, once a sacrifice is performed, the life energy is then given to the gods of the Void, which no one knew who these secretive gods were, they were much more powerful than even the Great Buddha himself, and none of these gods have pictures or even the simplest drawings of them, no one knows what they even are and that will remain true until they are discovered.
When you say it now, death is just an easy way out for you because the gods' followers will not rest until they have you. After the sacrifice is offered to them, they will temporarily give you a large amount of their energy in exchange for the sacrifice; the larger the sacrifice, the more incentives and prizes one can obtain from the Gods of the Void.
But before all of this could happen, the emperor's family decided it was best to go to the big cave in Central Murim one last time for a final preparation before their big invasion of the Sacred Realm.