Dropped by (***no spawn table):

• The Great Divide
• an ancient shardwurm (9.6%, 0.098 avg drops per kill)
• a young shardwurm (4.9%)
• an elder shardwurm (4.5%)
• an ancient shardwurm (9.6%, 0.098 avg drops per kill)
• a young shardwurm (4.9%)