A skilled lone-wolf pilot. Amber joins the Regular Army at Marco's request, who had heard about her prowess and wanted to see her in action. The Slug Attacker she drives can transform into tank mode and human mode, and is a well-balanced unit capable of defending against enemy attacks while unleashing and powerful attack of its own. Due a traumatic experience during her training years, Amber has remained adrift unit now. Although seemingly emotionless and cold on the outside, Amber is just unaccustomed to talking to people and can be surprisingly friendly when you get to know her (according to Roberto).

Metal Slug
Metal Slug is a series of run and gun video games originally created by Nazca Corporation before merging with SNK 1996 after the completion of the first game in the series. Spin-off games include a third-person shooter to commemorate the 10th anniversary of the series and a tower defense game for the mobile platform