They better be very strong...
To quote Tamrielic lore:
7 Days, and lots of men... And you are only one person. This better be incredible fights.
You play as the last of the Dragonborn. They're very skilled with killing dragons. I still hope they make it challenging, possibly even using some type of game mechanic used to blast through cover you might have to take, as getting hit by one of these things should do alot of damage. They could possibly even allow them to take you by surprise, such as for example, if there was some type of earth element dragon, being able to dig into a rock, when the player passes by, it emerges from the rock face and attacks (possibly doing this in battle to make you thing they lost you and went back), or say a water one jumping out at you when near water. Bethesda has, as far as I know, never let you fight a dragon, so the possibilities of what they can make them do are endless. Also, I hope that the loot on these isn't exactly as much weapons as much as it is materials to make a powerful one, such as, going back to the stone dragon, it's skin. If it were to have stone skin, taking some of that skin for armor would make a strong peice of armor, or a very high damage sword. Back on to the game mechanic part at the beginning, here is what I'd hope to be a layout of a battle: Say you get hit by a fire dragon, you run to some nearby ruins for cover. Suddenly, the dragon blasts through the rocks, so much for cover. Luckily, the rubble, scattered across the ground, can be used to avoid some attacks. Eventually, you finda thin spot the dragon can't fit through, although he can breathe and cook you on the spot, the double walls could possibly collapse on him, causing him massive damage, you get behind them, as the dragon blasts through, several rocks fall on him. He's almost dead, you hit him with all you got from behind the rubble, eventually finishing him.
A battle like that, where you really have to think, instead of wildly hitting it with your sword, is something i'd like to see.