I have been looking into LDoN Raid info as of late. From what I read they are primarily targeted at Vex Thal and higher capable guilds. Raids involve many dynamic scripts, and require a solid mix of classes to complete.
Here is a copy and paste from some posts on the Graffe's Forums:
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- You must be in a raid group of at least 18 members to get a raid adventure, up to a maximum of 36.
- Your raid members must all be at least level 60, with a required level average of 63.
- Each member of your raid must complete at least two adventures in the theme you wish to raid in.
- Once you have successfully completed or failed a raid adventure, you will need to wait five real-life days to do the same raid adventure again. For example, if you take on the raid in Deepest Guk, when you fail or succeed on that raid, you will have to wait five days to try again.
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Also from what I have read, unless most of your raid force has "Elemental Gear" you will need to have the Max player limit of 36 people to even have a shot at it.
So based on what little bit of info that I have, a LDoN Raid is unlike a LDoN Adventure in the fact that it does not make a Dungeon based on the level of the players that will be entering it.
All that could be wrong tho, I am willing to give it a try if we can get enough together one night