Also known as: ナイトフォール
The poster AC Mecha of Armored Core VI: Fires of Rubicon, featured in box arts and the teaser trailer, also available as a scale figure in the game's Collector's Edition.
Nightfall is a modified RaD scout AC, with its specifications being identical to the players' starting AC unit LOADER 4 except for the head unit being modified by an anonymous party. Armaments includes a shoulder mounted compact duo 3-cell Missile Pod, shoulder grenade cannon 'Songbirds', assault rifle 'Scudder' and the devastating melee weapon 'Ashmead' Pile Bunker.
Nightfall is piloted by the independent mercenary Raven.