Gigantic Tree

Gigantic Tree is the residence of Aura Bella Fiora and Mare Bello Fiore.

Background
This tree is located on the 6th Floor of the Great Tomb of Nazarick and serves as the dwelling to the Floor Guardians of the 6th Floor. It is situated in close proximity to the Amphitheater.

The Emissary of the King Arc
A Death Knight paid a visit to the dark elves' domain at its summoner's orders to learn of the desires of all the Floor Guardians.

The Half Elf God-kin Arc
The Gigantic Tree was visited by Ainz Ooal Gown who was guided there by Aura Bella Fiora. There he picked up Mare Bello Fiore and the Elven Slaves before moving to the Canteen to have a conversation about the Elf Country.

Layout
The Gigantic Tree is over twenty meters in height and hollow on the inside allowing for habitation. It has three floors that are connected by a spiral staircase pillar at its core. The first floor has a kitchen, bathroom, toilets, and so on. While the second floor contains Aura and Mare’s living quarters. And the third floor is where the guest rooms and the balcony are located. The dimensions of the interior are already set and they can’t be changed, thus in order to enter through the small entrance, the class of Minimum is required, if not using an item that reduces your size is also an excellent substitute.

Trivia

 * Though the Gigantic Tree serves as Aura’s home, she mostly prefers sleeping outside with her pets.
 * In the Web Novel, the inside of the hollowed out tree had two underground floors and eight above—For a total of ten. If one stepped in, they would be greeted by a simplicity like in the loghouse.
 * In Mass for the Dead, the tree makes a non-canon appearance.
 * The Elven Slaves have also taken residence in the tree and originally believed that it was a Elf Tree that was transformed by the dark elf twins.