She herself was also an Onmyoji, so her understanding of this profession and the abilities of Onmyojis was profoundly detailed.
Typically, an Onmyoji summons a Shikigami to fight for about half an hour. Being able to summon a Shikigami for over an hour would be unimaginable.
Although after a Shikigami's death, an Onmyoji can use Yin Yang Power to resummon the Shikigami to appear and fight.
However, each summoning consumes an enormous amount of power.
Generally, the power within an Onmyoji is insufficient to summon a Shikigami multiple times.
Su Chen is different though. Su Chen once used Yin Yang Power to continuously summon Shikigamis dozens of times!
In the Dongyin Yin Yang Master World, that would be considered legendary.
Because the current record in Dongyin held by an Onmyoji, for summoning Shikigami, wasn't surpassed within a short time.
Moreover, after that, he rested for more than half a month to recover.
According to her.
