The Immortal Clan begins with deductive intelligence.

Xu Changqing transmigrated to the cultivation world and became the new patriarch of the Xu family. However, his ancestor had died in battle, and the family was driven to the remote Cangwu Island, barely surviving on a few fishponds, on the verge of extinction. Fortunately, he possessed the [Heavenly Mirror], capable of deducing the cause and effect of all things in the world. [The Mirror reveals a way for my family to break free from this predicament.] [Deduction complete, three days elapsed.] [Details of the opportunity: At noon today, the warm current of Huilong Bay changed course, and a school of golden-scaled spirit fish passed through, which can resolve the crisis of the annual tribute.] [The Mirror reveals the formula for the Foundation Establishment Pill.] [Deduction in progress... estimated time 30 years.] [The Mirror reveals the path to immortality for the Xu family.] [Deduction in progress... estimated time 129,600 years.]... Many years later, when those brilliant geniuses turned to dust, when those arrogant sects vanished, the Xu family still stood tall and immortal!