Damn. According to my 3DS it took me 50 hours to complete my first playthrough of DS2. In comparison, it took me 100 hours to get all 5 of DSO's endings + 8th days. I suppose all of the grinding/Game Overs/soft resets add up. Let me tell you, the game is extremely difficult until you get Holy Dance/Phys Repel/Anti-Most. Then it's just broken. I found every DS1 boss but Jezebel and Babel to be easy, but all of the Septentriones until Mizar were insane.