Originally Posted by
Kabalisto Koga
His Hougu can evoke the mysteries of the Today past even if he was never there in live because his both Nobelphantasm are Embodyments of the Concept of History.
Even being able to summon anything he recorded is a bit of a stretch, but extending that to things he never knew of at all and just happened to exist in roughly the same time-period as him makes no sense at all. Not to mention Herodotus was only the "first" historian in the western world. Sima Qian, author of the Shiji
Records of the Grand Historian
predates him by several hundred years, so if anything he should be the one with a "summon great wall" NP.