This mod has 2 new types of ores 1 is ruby and 1 is immortal the immortal ore is only in the immortal dimeson the get there you need 1 ruby 1 diamond 1 lapis and 1 emerald to make 1 immortal block with those blocks you need to build a portal like a nether portal and like it with a immortal bucket and to make that you need to combine a lava and water bucket in crafting. Ruby is found in the overworld from y 1 to y 21.
Each new type of ore when you mine it gives you the item which you can craft tools and armor with.