Kaus

Kaus is an NPC found in Dragontail. it's Scarleton counterpart is Rollim. Upon talking to him, he requests that you train him by fighting him. Upon defeating him, he can be fought again after 24 hours, getting progressively stronger until the final fight on your 7th day. After you defeat him at the 7th day, he gives you a Bag of Gold as a reward for training him to prepare for a duel. The Bag of Gold sells for 250,000 coins to NPCs