Turtle Rock (D8)

Map

Here's a retro-style (but accurate to this version) map of the dungeon:

Thanks to Kincaid for making this!

Dungeon 8 Skip

D8 Skip, as the name implies, allows you to skip the entirety of Turtle Rock. It's a very specific Hinox Warp that saves a lot of time in Any%. Here's a video covering it: