By exploring the world of Minecraft, you can get many valuable resources and materials, including Obsidian. It is usually used to build a portal to the Nether, but it often also serves as a good explosion-proof material. So next, we are going to tell you about the best ways to get Obsidian in Minecraft. Obsidian is a valuable resource, and it's impossible to have too much of it (or any resource for that matter).