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]!