-There will be new dragons to fight that will be tougher for the player.

-There will be a Lycanthropy tree with new powers, including the "Totem of the Moon" which shall allow werewolves to summon up other fellow werewolves. There is one called "Savage feeding" and "Animal vigor".

-The vampire Lord is named Harkon.

-They are the Volkihar. His castle is named Castle Volkihar, which also can serve as a home for the player. As well as Castle Dawnguard.

-Harkon attempts to put an end to the sun using the ancient Elder Scrolls.

-We shall make a return to the "Soul Cairn", a realm of the dead seen in Battlespire.

-There will be a new vampiric power where you suspend a foe in the air and drain them(seen in the trailer).

-The Vampire Lord transformation is gained by completing quests, as the companions.

-There will be a new facial transformation feature to modify your face. Race change is not in the game, but players shall now be able to change their appearance.

-Dawnguard is NOT meant for low-level players.

-New enemies such as Armored trolls, death hounds and legendary dragons.