Some Miner's Sack

- Description: A sack which a worker stumbled upon while mining at a production node. Obtain one of the following Gemstone items upon using this item. - Rough Ruby, Rough Sapphire, Rough Topaz, Rough Emerald, Rough Diamond, Rough Opal ※ You'll have a higher chance of obtaining a sack if your worker has higher luck. ※ Make sure you have enough space in your inventory before opening multiple sacks at once. Right-click Probability info on the obtainable item can be found via the Random Chance Items & Probabilities List on the official website.

- Additional use requirements are not yet decoded; this is not a complete eligibility check.