The '''Skull Cavern''' is located in the northwest area of [[the Desert]]. It is initially locked and requires the [[Skull Key]] to gain access. After entering the Cavern for the first time, a letter is received on the following day, from [[Mr. Qi]]. The letter begins the quest [[Quests#Qi's Challenge|Qi's Challenge]], which is completed by reaching floor 25 in the Skull Cavern. Completing the quest awards {{price|10000}} (Delivered by mail the following day). | The '''Skull Cavern''' is located in the northwest area of [[the Desert]]. It is initially locked and requires the [[Skull Key]] to gain access. After entering the Cavern for the first time, a letter is received on the following day, from [[Mr. Qi]]. The letter begins the quest [[Quests#Qi's Challenge|Qi's Challenge]], which is completed by reaching floor 25 in the Skull Cavern. Completing the quest awards {{price|10000}} (Delivered by mail the following day). |