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Question & Answers
Answer from: Nkikn
When you upgrade to diamond in the portal, you can make a diamond pick, which gives you 6x valuable ores and time crystals when mining
Answer from: Unknown
Diamonds can be used to upgrade the portal. To do this, tap on the blue portal, and upgrade with diamonds. Diamonds can also be used to make diamond pick axes. Or they can be used for decoration. Hope this helped. Keep on mining!