Originally Posted by
Snugglebutt
In interviews they said this dungeon was based on games like Chocobo's Mysterious Dungeon which they specifically mentioned as a point of reference. I think they also mentioned somewhere but can't remember where that this is a nostalgic throwback to the old FF games of the past, even the character icons are in the style old nostalgic FF toons as is the UI for it. If you have evidence of them saying at any stage it was based on Nyzul Isle I would be willing to take a look but it wouldn't be much of a nostalgic throwback though if they made it overly complex compared to how those old games were.