Rare spectral ichor! You don't get this from just any ghost. I bet it could be turned into something useful... Warning: Is sure to overload any Spirit Storage Unit! Good news, though; The more ghosts you have in the SSU before you add this, the better your odds for something really good!
Boss Goo price in Growtopia: sells for about 20 WL, buyers pay about 10 WL (median of 819 offers from community Discords, past 30 days). Live price chart and the latest buy and sell offers.
Recently sold at: DDDUI, KENDAS, LKARD, HHHOI, YLLLW