"Does that mean, to control the power of lightning, one just needs to control the number of times that talismanic diagram appears?"
The few of them looked at the equation and fell into silence; the equation was too simple, so simple that they started to doubt themselves.
"That is to say, the number of times a talismanic diagram appears can determine the energy size of the Heavenly Tribulation Thunder." Old Man Bai summarized with a frown: "This... seems similar to the working process of a Spirit Talisman?"
"Yes." Zheng Fa also thought of this: "When painting a talisman, it absorbs the talismanic diagrams from the void, which means—this increases the number of times the talismanic diagrams appear, the more the number, the greater the power."
Zheng Fa slowly said, looking at the equation, and then suddenly added, "This thing, it reminds me of a concept from middle school physics..."
"What?"