It seems many people have been forgetting lately that they at one point were one of those new players experiencing a specific dungeon for the first time. You can research a dungeon all you want but all parties are different. People suggest different ways to go about it depending on their experience. Some people read up on it to give themselves a heads up, some want a fresh first time. Either way eventually it will come to the same conclusion: victory! Even if there is a wipe before defeat