(Side Mission - Hot and Cold - Steel Mill)
This advanced Freeze Weapon Technology creates a large blast radius capable of freezing multiple enemies to the ground at once. Trapped enemies are free to move their torsos and can still attack, so approach enemies with firearms from behind to minimize any rist.

Batclaw Disarm
This upgrade enables you to surprise an attacker armed with a firearm by snatching the weapon from their hands from a distance. This can be used effectively in combat situations using the quickfire batclaw.

Sonic Batarang
Once deployed, the Sonic Batarang gives off a high pitched alarm that will interfere with nearby enemies wearing hearbeat monitors, causing them to investigate. Use this to distract enemies or lead them into traps. Once thrown, requires a short recharge time before reuse. Note: The sonic Batarang will have no effects on enemies who are not equipped with an armband heartbeat monitor.

Line Launcher Tightrope
This upgrade to the line launcher enables you to flip up on top of zip line and use it as a tightrope. This can be used to create new positions to obeserve and attack enemies, or to collect riddler trophies. While on the cable, you can move above an enemy to perform a drop attack or glide kick.

Freeze Proximity Mine

Cryptographic Range Amplifier
Increases effective range of the Cryptographic Sequencer, allowing you to override out-of-reach security Consoles and open up areas that would otherwise be inaccessible.

Cryptographic Power Amplifier
Increases the power of the Cryptographic Sequencer, allowing easier deciphering of security systems.

Disruptor: Firearm Jammer
Remotely disables enemy firearms without the enemy being aware that the gun they are carrying has become jammed. Once disabled, these targets will be shown as blue in detective mode so they can be easily identified. This gadget can also be used to disable TYGER sentry guns and temporarily disable TYGER helicopter machine guns. After 2 uses of the disruptor, a recharge period is required.