This is a Dwarven Lotr-style great hall, with a throne, a dormitory and a storage room. You can put it underground or on land, it doesn't matter.
You can put this on servers, but always credit to this link.

Used in this server: 176.31.225.193:25567

Additional Notes

Made in 4 hours and a half or so.
Texturepack used in screenshots: Dokucraft personalized