Prevent Harley Quinn from stealing the Jokers infected blood (continued) | Main storyline

Batman: Arkham Knight Guide

In this section of our guide, we will explain how to stop Harley Quinn from taking the infected blood of the Joker. To do this, Batman needs to use the Voice Synthesizer and defeat a group of enemies.

Exit the Clock Tower and make your way to Panessa Studios. Once again, you will need to reach the rooftop and approach the elevator exit where nine bandits are waiting for you. Two of them are armed, so take them out first and prevent the other enemies from picking up their weapons during the fight.

After the fight, try to interact with the voice scanner, only to find out that Harley Quinn has reprogrammed it. Batman will need to equip the Voice Synthesizer and load a sound recording of Harley\’s voice. You will need to move the vertical and horizontal slides until you get the perfect imitation of her voice. Refer to the image above for the correct position of both slides.

The Voice Synthesizer can be used to lure enemies into secluded areas.

Once you have prepared the voice sample, aim the Voice Synthesizer at the scanner and use it. You won\’t be able to enter the building right away as more enemies will come from inside and set up two defense turrets by the entrance. You can test the Voice Synthesizer while sneaking, which lets you give orders to a single enemy using Harley Quinn\’s voice. This is an excellent way to lure out enemies one by one to deal with them secretly.

Neutralize enemies one by one while maintaining a low profile. The last target should be the bandit with a minigun. When attacking him, start with a series of strikes and block his counter attacks. Finally, eliminate the two turrets standing by the building entrance. Hack one of them using the Remote Hacking Device, and then quickly destroy the other one. Hide in the vent shaft and wait until the reactivated turret turns the other way before sabotaging it too.

Use the Voice Synthesizer to unlock the entrance to the main hall.

Approach the voice scanner again and enter the elevator to go to the quarantine zone in the underground complex of the film studio. You will encounter a bandit with a shield for the first time. To defeat this type of enemy, perform an Aerial Attack. Start by stunning the enemy with your cape, then bend the stick towards him (or hold the correct directional button) and double-click the jump key/button.

After the fight, use the Voice Synthesizer on the nearby panel. You will need to take on more thugs, including the newly introduced shielded opponents. The good news is that Robin will join you in this battle, so switch between the two heroes and use Team Attacks. Once you have won the fight, interrogate one of the bandits and use the computer.


1. What is the main objective of the \”Stop Harley Quinn from taking the Joker infected\” quest in the game?

The main objective of the \”Stop Harley Quinn from taking the Joker infected\” quest in the game is to prevent Harley Quinn from obtaining the Joker infected blood. The Joker has infected several people with a deadly virus, and Harley Quinn wants to use the infected blood to create an army of infected individuals. As the player, you must stop her and prevent the virus from spreading further.

2. What challenges will the player face during the \”Stop Harley Quinn from taking the Joker infected\” quest?

The player will face several challenges during the \”Stop Harley Quinn from taking the Joker infected\” quest. Firstly, they will have to fight off Harley Quinn and her minions who are trying to steal the infected blood. Secondly, they will have to navigate through a complex maze-like environment to reach the infected blood. Finally, once they have obtained the infected blood, they will have to transport it safely to a secure location, all while being pursued by Harley Quinn and her henchmen.

3. What are the rewards for completing the \”Stop Harley Quinn from taking the Joker infected\” quest?

The rewards for completing the \”Stop Harley Quinn from taking the Joker infected\” quest are significant. Firstly, the player will gain experience points and level up. Secondly, they will receive a large sum of in-game currency, which can be used to purchase new weapons and upgrades. Finally, the player will have prevented the virus from spreading further and potentially causing a catastrophic outbreak, which is a significant reward in itself.

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