A rendering of the Tormenta Rampaging Run coaster at Six Flags Over Texas. Credit: Six Flags Over Texas At a vertigo-inducing 18-stories high, the world's tallest vertical loop roller coaster has finally been complete, and is now one step closer to thrilling theme park fans later this year. The Tormenta Rampaging Run coaster, which will open at Six Flags Over Texas just outside Dallas, breaks several world records, the park shared with Travel + Leisure. In addition to its vertical loop sitting at 179 feet high, it's also the tallest and longest dive coaster, is the fastest dive coaster reaching speeds of 87 mph, and more.…