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Did you know that originally Oscar (the knight you meet in the asylum) was supposed to be a second main figure, which went on the quest with you? In the end, depending on which way you went, he would either be with or against you in Ash's link.
Hidden in the game's text files are fragments of dialogue between the player and Oscar, as well as the eastern guy which would have a quest similar to Magic sword Makoto in Demon's souls.