^
What's Dragon Aspect?
However, some new shouts are more useful.
As for boss battles, yes, some of them made everything else in the game look easy as Mary Poppin's cake in comparison. Never before I was compelled to use my wits to survive the onslaughts.
Also rode a dragon, and tried to pit one against another. Unfortunately, as my character was a Nord, she couldn't handle the heat.
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To add: because there are no warm beds outside of Severin Manor, I had to make this by dropping in new furniture just for my character to crash in after lengthy quests:
http://skyrim.nexusmods.com/mods/31518/