Some Miner's Sack

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.
Press Secondary Attack to use.

Probability info on the obtainable item can be found via the Random Chance Items & Probabilities List on the official website.