On Mission 3, she fights alone against PF Squad but it was useless, she got defeated and escaped once more.Р”В«eatriz once again fights alongside her older sister in Mission 5 but they got defeated. On Final Mission she and Abigail attempted once more to defeat PF Squad but they got defeated, during the base's self-destruction, she, Abigail and the rest of high ranked Rebel Army members managed to escape. She appears on Mission 3 riding Allen's Rebel Giant Mk.II with some upgrades, the most notory is the fact that it have a laser gun to shoot an ice beam, she got defeated and flew away scared. She believes that this new rebel army will depose of the regular army. While initially concerned of the consequence of launching a coup against Morden and what it could mean for them, when she is tempted by the power she could get is quick to depose Morden.Р”Р„t the end of Metal Slug 8, Abigail promotes Beatriz to Lieutenant General while she assumes Morden's position. When her older sister, Abigail successfully launched a coup inside the rebel army, Beatriz joined her sister and her alliance with the Amadeus Syndicate in space. She reappears on Final Mission helping PF Squad by freezing some of Satiko's mens to allow us to kill them. She and Abigail goes to their first war alongside Rebel Army, on Mission 2 she freezes PF Squad's SV-001 to then gets destroyed by Abigail, defeated, both sisters managed to escape but Beatriz notices something strange on her sister after the fight, she was in love with the enemy, jealous and pissed off, she grab one of Abigail's hands to escape much faster.

She and Abigail comfort Satiko once they find her crying at the 'death' of Amadeus and decides to take her somewhere she wanted to train and do some other quiet stuff.Р”Вuring the 7th war, Beatriz was kidnapped and enclosed in the janitor's clean room, she stays there for long hours screaming in vain for help and suffering from hunger, the day after Satiko's betrayal, Abigail founds her and help her to remove the rope and bandage, she cried scared and them both sisters ended crying because of what Satiko did to them. The first months of stance with Satiko Suzuki, Beatriz doesn't liked her because of the fact she was becoming friend with her older sister, but after a time of stance and receive many punishments and scols from Abigail, they both finally becomes friends. She and Abigail were choosed by Morden to be part of his Rebel Army, they were trained by Morden himself in oder to become the most fearsome femme-fatales around the world.Р”Вuring her stance, all Rebel Soldiers starts to have fear at her because of her cold and selfish attitude.Р”Вuring Morden's 2nd attempt to take over PF Squad and the entire world, Manfred Amadeus introduces them to Satiko Suzuki after find her wandering on China after Marco, Eri, Tarma and Fio gets fat. In contrast to her appearance, she has a cold nature and thinks that if she is cold with any person that is not her sister Abigail, that's okay.Р”В«etween Metal Slug 1 and Metal Slug 7/Double X She is accompanied by 2 invisible guards to take care of her.

She is a female chief considered like an idol by the men of the Morden's army.

Metal slug female characters