Condition 1: One yellow scarf soldier rune is satisfied Condition 2: Kill 100 rune monsters independently Condition 3: 5,000 times of training to kill a pig with a knife is satisfied Condition 4: 10 Spirit Talisman Pills are satisfied Rune unlock upgrade. Your source runes have been promoted from ordinary quality [Yellow Turban Soldiers] to premium quality [Yellow Turban Warriors]!