BB Slots will grant an Arts Up by 100% buff on the front line party at the start of battle.
After 1st Break:
Tamamo-no-Mae changes to her Summer form (Lancer) and gains the active buffs:
BGO Tie Tamper: Alter Ego class Servants will deal 1.5x damage to her even when she is Lancer class.
Mikotte Summer Tiiime!: Increase own NP Gauge by 2 each turn. (Cannot be removed)