After the Whole Village Became Movie Stars, I Was Forced to Become Invincible

The heroine was born in the world of cultivation and was adopted by simple villagers. She studied hard and practiced "farming skills" for sixteen years. It wasn't until she left the village for "experience" to find her life experience and killed the demon king with a sword that she discovered to her horror that the village's Uncle Orion was a retired swordsman and the pharmacist's grandmother was an ancient alchemy sage, and the "Farming Technique" and "Pig Raising Fist" they taught her were actually long-lost supreme Taoist methods.