Core Instability | Walkthrough LB2 Guide

You have to shy from robot. To do this you have to firing to silver pillars (picture). Destroy to damage Joker's robot.

When enemy is hurt start shooting to his chest (picture) until the orange bar decreased to zero. After animation destroy next silver brick and start shooting robot's weak point. Repeat this until the robot will fall down. Remember that you can also shooting down robot's rockets.