When I first started the game, I proceeded to listen to the really long intro in front of my entire family. (none of them were paying attention I assume, and if they were, they probably were too bored to continue) Simply because of the game's Oriental nature, I waited until I had the Wii moved back to my room so I was more comfortable playing it. Though it took me a while to warm up to the premise, there were certain things I still felt awkward about. (Rau, and the bit where you have to sneak up on the bathing lady)
However, once I got used to the premise, I was quite fascinated by it all; while I'm quite familiar with Greek and Western myths/legends, I know nothing about the Eastern lore. I ended up looking up more about some of the characters/creatures out of pure curiousity. One of the things that really stood out to me was the music that played prior to each "final" boss confrontation. Generally in those "hurry" events, you can take your time, but when that music played, I couldn't bring myself to stand still.
The battles were a little bit annoying though, because you had to enter a demon gate or run into a demon scroll in order to find them... Though the battles themselves were quite enjoyable, so long as I made sure not to learn dodge. The bosses were all quite outstanding although Orochi disappointed me a bit...
[spoiler:cfaf421513](Until I realized that the game had barely begun at this point)[/spoiler:cfaf421513]
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Above everything else though, the game was unique in the way you use the celestial brush techniques. Even though most of them were pretty basic and the Wiimote was sometimes too sensitive for its own good, it made for a very interesting device. [spoiler:cfaf421513](especially considering one boss uses the same techniques against you)[/spoiler:cfaf421513]
The use of faith as EXP proved to be very interesting. You were in a world where very few people recognized the existence of gods and yet was constantly haunted by demons. Certain quests would restore their faith and you'd use that faith to get upgrades. While simply an interesting nickname for exp early on, it later worked as a story device though I would not care to give away how...
The ending was very memorable and very moving. It took me quite by surprise and it meant very much to me personally, aside from being an outstanding cinematic/ingame event.