Impaler is a lightweight combat robot that is currently participating in LEGO BattleBots. Impaler’s primary weapon is a large spear used to impale opponents (thus comes the name “Impaler”). It is extremely low to the ground in order to to impale opponent’s tires. 3D triangular wedges are located on top of Impaler in order to deflect overhead blows from hammers and overhead thwackbots.