Oh dear god that was hard (spoilers)

Okay so as you  may or may not know, you unlock the ability to buy a platinum ticket from Rodin after earning 10,000,000 halos throughout the game.  Since there is a fairly easy way to game the system and get an insane combo (and therefore rack up an insane amount of money) on the level 7 boss, getting that otherwise ridiculous amount of cash isn't too hard.  You can buy the platinum ticket for 999,999 and as your reward, you get to fight the game's true, by far hardest boss, Rodin himself.  You can't use items in this fight and without having unlocked the most powerful weapon or accessory in the game (pillow talk and climax bracelet), it was truly a daunting task to kill him because he will destroy you on 5-6 hits with a fully upgraded health bar, and he has the most health of anyone in the game, including what most people think of as the final boss.  Anyway, after hours upon hours of trying and retrying this fight, swearing up a storm as I did it, I finally beat him and unlocked the weapon you get for doing so.  Now as to the reason for this post, I normally don't go for super hard stuff when there isn't an achievement involved.  However, by taking it to that next level, I got more of a sense of accomplishment from doing this fight than I've had for getting any achievement in a long time.  This has actually reminded me something I've forgotten recently:  you don't need an achievement to justify doing something challenging and living up to that challenge is a reward in and of itself.  Long story short....I think I'm going to get Demon's Souls