Letting go of one's faith had always been a sensitive and dangerous topic.
Indeed, in the eyes of many people, the barbarian gods from another world wanted neither territory nor humanity's wealth. This was fundamentally not a war of annihilation in which one side lived and the other died. They had invaded Earth solely for faith, so it seemed there would be no harm in letting them in.
They could coexist peacefully.
Before discovering the other world, humanity had already had countless religions. The religions of many countries had even seeped into every aspect of life, yet people still lived normally and developed quite well.
However, those gods had all been illusory.
To most people, faith had become a habit, a custom, a tradition.
Even for quite a few clergy members, it was merely a profession that put food on the table.
As technology developed, the ignorance of the past gradually faded. For most people, believing in gods was simply a spiritual refuge, a beautiful wish for the future, or a comfort. They did what they normally had to do; when they fell ill, they went to the hospital instead of praying to the gods.
Even if they encountered someone blaspheming the gods, they would not fly into a rage and kill them. Most would simply avoid the matter, at worst engaging in a war of words.
Modern religion had no power whatsoever to interfere with political authority. The deterrent force of the law was greater than that of religion.
The barbarian god, however, was different. He was a god with a personality, real and substantial, truly existing.
In the hearts of his believers, he was sacred, majestic, impossible to blaspheme, and worth giving one's life for.
The influence and destructiveness produced by the two were the difference between a