The final boss fight against Joker in his Titan form is a multi-stage battle. First, you'll face him and several Titan thugs. Focus on stunning the Titan thugs with Batarangs, then riding them to attack Joker. Once Joker is vulnerable, attack him directly. In the second phase, Joker will be on a platform, sending more thugs. Use the Line Launcher to reach him and attack. Repeat until he's defeated.
