The seven characters in LEGO Batman 4: Legacy of The Dark Knight have an arsenal of weapons at their disposal, and which are made even better through the upgrade system at Workbenches, both in the Bat Cave as well as around Gotham City. While they require a great deal of WayneTech Chips to unlock, these are relatively easy to come by though ordinary gameplay progression.
This LEGO Batman 4: Legacy of The Dark Knight is all about the best weapon upgrades you should unlock first for each character.
Batman
Brute Claw
6 WayneTech Chips
Get this upgrade in order to grab and destabilize bigger opponents with the Batclaw.
Focus Bat Swarm
12 WayneTech Chips
Summons a bat swarm to both distract and damage enemies, best used on crowds.
Robin
Bungee Cable
4 WayneTech Chips
Allows for rapid strikes in succession using cables with bungee-like properties.
Focus Slammer
12 WayneTech Chips
Uses a cable to generate a devastating area-of-effect strike, good for crowd control.
Nightwing
Focus Circuit
12 WayneTech Chips
A chain lightning-like attack that emanates from a thrown electrified Birdarang.
Overcharge
6 WayneTech Chips
An area-of-effect electric attack on the target, when thrown at maximum charge.
Batgirl
Focus Hack
12 WayneTech Chips
This upgrade lets Batgirl completely bypass security.
Weapon Hack
7 WayneTech Chips
Hackarangs can now sabotage the weapons of targets.
Catwoman
Distract
5 WayneTech Chips
Divert the attention of enemies with this upgrade that summons kittens.
Focus Cat Attack
12 WayneTech Chips
A crowd control upgrade similar to the Bat Swarm, this upgrade summons a horde of cats to sic upon enemies.
Jim Gordon
Focus Shot
12 WayneTech Chips
A ricochet round that targets enemy after enemy in quick succession with bonus damage.
Splitter
6 WayneTech Chips
Splits Rebound Bolts into two on impact for double targeting.
Talia
Focus Frenzy
12 WayneTech Chips
A teleportation attack that chains across multiple enemies.
Stun Smoke
4 WayneTech Chips
Improves stealth attacks by deploying a smoke bomb when appearing behind a target.
Those are some of the best weapon upgrades to focus on with each of the seven characters in LEGO Batman 4: Legacy of The Dark Knight.