User blog comment:Heartylover15/FOR GODS SAKE, STOP IT/@comment-28408407-20180816122347/@comment-31148069-20180816203804

No, You need just cement with like LAYERS of bricks.. but mostly cement. Yes, yes. all the cement for this dam that we will create. Wait no, OBSIDIAN! Yes obsidian. AND CEMENT. FRICK IT OBSIDIAN BRICKS AND CEMENT FOR THE DAM!