While players can only have one of each type of clue scroll in their possession, they can possess unlimited amounts of reward caskets, and are eligible to receive clue scrolls again once it is. A reward casket (hard) is an item containing the rewards of the treasure trails. It is always received after completing the final clue of an hard clue scroll trail. It is also obtained from. 100 rows · a reward casket (hard) is received after completing the final clue of a hard clue scroll trail, and contains the final reward for the trail.