Big Sis

Big Sis is a 4★ character in Snowbreak: Containment Zone. They wield a Pistol and are aligned with the Thermal element.

Big Sis serves as a Ballistic Buff, one of 6 Ballistic Buff characters in Snowbreak: Containment Zone. As a Thermal character, Big Sis shares this element with 8 other characters in Snowbreak: Containment Zone, including Freefin, Hush, Ksana. Among Pistol users in Snowbreak: Containment Zone, Big Sis is one of 9 characters wielding this weapon type.

Big Sis was released on July 20, 2023. They were introduced alongside Coronet, The Observer, Swift, Wild Hunt, The Ace, Winter Solstice, Those Two, Redacted, Wednesday, Queen of Pain, Little Sunshine, Quiet Quitter, Meow, Lionheart, Kaguya, Hands, Hush, suggesting they were part of the same content update. Big Sis has been part of Snowbreak: Containment Zone since near its launch.