Complex sentence: She is transported into Dracula's castle alongside Soma at the start of "Aria of Sorrow" and remains outside the castle for the duration of the game, offering Soma advice that she acquires from Arikado.
Split into simpler sentences: She is transported into Dracula's castle alongside Soma at the start of "Aria of Sorrow". She remains outside the castle for the duration of the game, offering Soma advice that she acquires from Arikado.