Tank Knight is a summoned creature in the series 'Ore dake Level Up na Ken' (Solo Leveling). Tank is a gigantic, powerful ice bear who serves as a loyal companion and guardian to the protagonist, Sung Jin-Woo. As one of Jin-Woo's shadow soldiers, Tank excels in strength and defense, making him invaluable during dangerous battles and dungeon raids. Though a beast in appearance, Tank is characterized by unwavering loyalty, often shielding allies from harm and following orders without hesitation.