The condition now, as opposed to the condition before. "Mou" is used to when something has changed in the situation. In this case, the evil Miaka has decided she wants to stay with Hotohori and give up their journey. Hence, the situation has changed. ^^ To make things even more confusing, "Mou" can also be an expression of frustration. That particular usage makes a bit more sense when you consider the first definition. d:) For still more info, see Mada. Pronounced like "Mo" above, only draw out the vowel sound for two beats instead of just one.