[PC] Found Prism Hercudrome in Coral Highlands, sector 11. From Northeast Camp, exit camp go right to Sector 13, Go Down to Sector 10. There is a small crevice in a wall connecting to Sector 11. When in sector 11 and if you open the map its location is between the Watermoss and Thunderbug Icons. Or from Sector 5 use the Ropelift to Sector 11. You can see the first big green yellowish coral like tree at your lefthand side, with pink corals on the ground. It is there at the green yellowish coral.