[4K] Ultimate Abyss is the Tallest Dry Slide at Sea on Royal Caribbean Harmony of the Seas Cruise Ship. It also has special lighting and sound effects when sliding down the tunnel slide.
There's also a Zip Line attraction on this mega cruise ship as you can see in the beginning and end of the video.
You can also find and slide down Ultimate Abyss on Symphony of the Seas and now on Oasis of the Seas Cruise ship.
Harmony of the Seas is one of the World's Largest Cruise Ship. It's part of an Oasis-class cruise ship.
Video filmed January 2020 with a GoPro Hero 8 camera.
