I'm a bit late on this one but nice work mate! I love the Shiku abilitiees

Chu Ko Nu and Paper Maker are no longer the uniques of Wu Zetian.

I hope all that remains for now is to wait until Liu Bei mod is released. The reason is that the Paper is mostly invented during the Han period, while the repeating crossbow is invented during the Three Kingdoms period apparently when Zhuge Liang launched the northern expeditions against Cao Wei