Number 17: Leviathan Dragon is a character version of the card "Number 17: Leviathan Dragon".
It appears as a Rare Partner available in Yu-Gi-Oh! Duel Arena, with a default of 4 Rental Points. Its partner ID is P053. It is also available as an opponent, as the boss of Stage 5 under Quest mode.
An Xyz Deck focused on Aqua, Fish and Sea Serpent Types with effects related to "Banish". Basic strategy involves the use of "Airorca" and "Wingtortoise". The Deck contains mainly low level and Xyz monsters, so "Level Limit - Area B" can also be used to lock your opponent!