Haos Tigrerra, a tiger-like Bakugan of the Haos attribute, serves as Runo Misaki’s steadfast guardian. Beginning in a base form, she evolves into Blade Tigrerra during a pivotal Doom Dimension battle, her transformation fueled by Runo’s unwavering resolve. This evolution unlocks heightened offensive and defensive prowess, including the Velocity Fang and Hyper Velocity Fang abilities—devastating techniques that disrupt enemy powers and manipulate G-Power dynamics. In *Bakugan Battle Brawlers: New Vestroia*, Tigrerra is captured by the Vestals, petrified into a statue, and becomes a catalyst for Drago’s return to Earth. After her liberation, she joins the resistance against the Vestals, confronting foes like Macubass and Aluze. Though she suffers defeats while shielding allies, her arsenal expands to include Haos Freeze, a temporal-stasis ability, and Pure Light, a restorative force that revives fallen Bakugan. *Bakugan: Mechtanium Surge* sees Tigrerra mentoring Aerogan to safeguard New Vestroia from Mechtavius Destroyer. Sacrificing herself in combat, she is later resurrected through a timeline reset via the Current of Time. Her leadership and tactical coordination prove vital in uniting Bakugan against existential threats. Combat-wise, Tigrerra manipulates light and energy, adapts rapidly through battle experience, and survives harsh spatial environments. Her design incorporates an internal blade capable of slicing any material, underscoring her offensive specialization. Notably, her gender differs between Japanese (male) and English (female) adaptations. Tigrerra’s arc emphasizes loyalty, resilience, and growth. Her bond with Runo thrives on mutual trust, often driving protective actions and strategic synergy in conflicts. As the first non-humanoid Haos protagonist, her evolution to Blade Tigrerra marks a design shift, influencing subsequent Haos Bakugan toward humanoid aesthetics.