"Do you have any mining skills?" Liu Yang asked the attendant. He's already flipped through the catalogs and saw several interesting skills, but he doesn't have enough crystals to buy the skills.
Liu Yang had three options for earning crystals. Fight the creatures, mine the crystals, or be a bodyguard for the miners.
After thinking about the pros and cons of the three, Liu Yang decided to mine the crystals. He will do this while fighting the crystal creatures.
Aruna and Maev were surprised to hear Liu Yang's request, but when they thought he didn't have many crystals, they understood that he wanted to mine the crystals at the mine. He can do this without asking for help from others.
"Dear customer, we have some types of mining skills. Which one does the esteemed customer want?" The maid didn't think it was strange for someone to ask about it. It is very common for someone to come to the store and buy skills to mine the crystals.