Albedo (Space-Time Anomaly)

Albedo is fought as the final boss of Xenosaga Episode II - Jenseits von Gut und Böse in the Space-Time Anomaly alone as Jr.. This battle is impossible to lose as Albedo casts Safety Measure on Jr.. After his health reaches 0, Albedo will either casts Regain Consciousness to heal himself or Eternal Chain to reduce Jr.'s health to 1, the latter which effectively ends the battle.