Elena OTs-14, commonly referred to by her designation OTs-14 or 'Groza,' is an anthropomorphized firearm character from the mobile strategy game and anime series Girls' Frontline. Portrayed as elegant and mysterious, she serves as a Tactical Doll (T-Doll) in the game, assisting the player as a skilled and reliable assault rifle unit. OTs-14 plays a key role in combat scenarios, offering strong firepower and supporting her team with her unique abilities and calm demeanor.