Lin Xiao had no way to change this decision. Although he was the Warlock King, this title merely meant he was the world's Chief Guardian, not its actual ruler. According to the ancient contract, he had no authority to directly command the various factions.
To put it bluntly, they would obey if they chose to show him respect; if they did not, they would not give a damn about him.
The reason everyone had cooperated so readily before, immediately sending subordinates when he wanted to rebuild the Guard Legion—and mostly elites rather than some ragtag bunch to go through the motions—was mainly due to two reasons. First, establishing the Guard Legion itself was included in the contract, so they had nothing to say about it.
Second, the Old Warlock King's lifespan was nearing its end, while the Emerald Empress generally did not involve herself in the affairs of the Main World. Normally, Lin Xiao was the only Seventh Order powerhouse in the Main World. Everyone was fighting in the Outland, where it was easy to offend Seventh Order powerhouses. At critical moments, they would need him to cover for them, so naturally they would do their best to maintain good relations with him.
The premise behind all this was that they were willing. As the Warlock King, he could not forcefully issue orders. That would be overstepping his authority. Even when he had asked the nearby factions for support earlier, it had been a request rather than an order.
Of course, while forceful orders might not work very well, asking the factions on the front lines to send over some foreign race corpses for research was not a problem.
Before long, a large batch of Mushroom Person corpses was delivered. There were all kinds of Treant and fungal humanoid branch