"Several factions have long known that behind Blood Moon lies the projection of the Demon God Andariel, otherwise why do you think the factions are opening up followers?" Li Yao said.
Just as Li Yao said, if they weren't incapable of taking action themselves, they certainly wouldn't allow players to become more powerful. Now that players can recruit followers or mercenaries, it's essentially the beginning of recruiting military units. But, now each regular army has to defend their key positions, and also send out troops to clear out the monster surge brought by Blood Moon.
The Demon God Projection must be dealt with by players; otherwise, facing more powerful world-class bosses, the Demon God would definitely spare no effort in increasing the power injected into the projection, which is something none of the factions would like to see.