BB Slots will inflict an NP Damage Down by 50% debuff on the front line party at the start of battle.
Click the link above for a guide on beating Ryougi Shiki.
Ryougi Shiki (Assassin)
Ryougi Shiki (Saber)
Memories of Dualism: Alter Ego class deals bonus damage to both forms of the boss.
Assassin form NP: High ST damage, High chance of Instant Death.
After 1st Break:
Active buff: Snowy Town: Critical Rate Up by ~100%? (4 turns). This can be removed.
Unyou B: Frequently uses after break, Increase own ATK and Debuff Resist (3 turns).
Saber form NP: High AoE damage, High chance of Instant Death to whole party.