Martial Arts Immortality: Start by Upgrading the Prescription

Lu Qing traveled through the troubled times where demons were rampant and martial arts were respected, and became a low-level clerk in a medicine hall. Fortunately, he awakened an upgrade panel - which can add upgrades to everything. Golden thread grass (white) [Upgradable paths: 3] [1——Honeysuckle (green)] [2——Three-line grass (green)] [3——Golden Sky Green Grass (Purple)] ... [Baicao Requiem Powder (Prescription: White)] [Upgradable ways:...] ... [Duanyun Sword Technique (Martial Arts: Green)] [Upgradable ways:...] Starting from being a handyman in the medicine hall, while others are practicing martial arts hard, he only needs to lie down and upgrade his martial arts moves to break through the limits and step into the extraordinary realm that only exists in legends!