The primary manufacturing skill can be leveled up to rank 10 (Epic). If the player has not learned a manufacturing Life Skill yet, they can learn Poison Maker as a primary manufacturing skill by paying 500 Wen Silver Coin to the Poison Maker Shifu. Players who have already learned two other manufacturing skills cannot learn Poison Maker until they abandon one of the Life Skills. The Poison Maker profession can be learned as either a primary manufacturing skill or a secondary manufacturing skill from a Poison Maker Shifu located in all major cities.