Only usable in a world-locked world. Use your wrench to etch any achievement you've earned into it! Only the owner of the World Lock can etch it.
Achievement Block price in Growtopia: sells for about 1.5 WL (median of 2 offers from community Discords, past 30 days). Live price chart and the latest buy and sell offers.
Recently sold at: BOLZO, HGLU, IMZEA