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Now that Dong Tianyu possessed the cultivation level of the Foundation Building Stage, he could be considered invincible among mortals, but he didn't have many fancy techniques at his disposal.
Although he could purchase various techniques from the Scripture Hall, Dong Tianyu had carefully observed that despite the wide variety of techniques, the effects they produced were not significantly different.
It was for this reason that Dong Tianyu was reluctant to spend too many Survival Points in the Scripture Hall during his Foundation Building Stage.
If it wasn't for the need for a safe residence for his parents, Dong Tianyu wouldn't have bothered purchasing a Formation Template from the Scripture Hall.
Perhaps some would say, since Dong Tianyu was willing to buy a Formation Template, why not just set up of Formation in the city center.