Thankfully, that's where the similarities end, as the new dungeon is looking quite impressive -- if Funcom's marketing blurbs are anything to go on.
The latest such features a few paragraphs of textual description regarding the Threshold of Divinity and Vile Nativity dungeons (the House of Crom isn't just one dungeon, but rather a massive new area that supports multiple groups and amounts to the largest indoor dungeon that Funcom has created to date). Head to the official AoC website for more info, including screenshots of some of the new armor available throughout the instance.
