[Historical Crossover] There's a Game System in My Head

Huai Zhen was rapidly climbing the ranks in the arena when she suddenly transmigrated into ancient times. When she came to, she had a Jian Wang 3 System in her head. She could communicate with every sect and faction, as well as all the NPCs. At first, Huai Zhen only wanted to learn various skills from them so she could scrape by in ancient times. Unexpectedly, she ended up becoming a big shot.