パックのソースはこれ
MID_ERROR_APP_EXCEED_LIMIT_EXTRA_BONUS: This pack cannot be purchased. You have already purchased this pack, so it may not be purchased again.
このパックはもう購入しているため、再び購入できません。的な

ついでに３章のサブタイトル
MID_STAGE_S2031: The Road to Nifl
MID_STAGE_S2032: The Silver-Haired Maiden
MID_STAGE_S2033: Ensnared by Beauty
MID_STAGE_S2034: A Menacing Swordsman
MID_STAGE_S2035: Steel Sears the Land