While the normal Killer Wail never appeared in Splatoon series sequels, variants with new or improved functionality have appeared. In Splatoon 2, A Killer Wail like weapon called the Princess Cannon appears. In Splatoon 3, the Killer Wail 5.1, which consists of six small Killer Wails, is available as a special weapon in online battles.
When activated, the Killer Wail projects a series of concentric circles in its intended path for a moment before firing massive sound waves in the user's ink color shortly after. They splat any enemies they touch, ignoring buildings or other obstacles. While the Killer Wail does not spread any ink of its own unless an opponent is splatted, it is useful for gaining or keeping control of the stage.
- Use the Killer Wail through walls to surprise unsuspecting enemies that pass by.
- It is advisable to activate the Killer Wail from around a corner as a surprise attack, to watch the enemy run into it and splat themselves.
- It requires approximately two seconds to channel and activate the Killer Wail. Make sure it is activated early to get the hit.
- Though the main use of the Killer Wail is to splat people, it is also excellent for chasing away enemies. Aim it at popular pathways, common sniping spots, Splat Zones, or Tower routes to essentially lock out enemies from these areas.
- The Killer Wail is excellent against the Kraken or Bubbler because of its huge knockback. For instance, teammates sharing a Bubbler on top of the tower in Tower Control can all be pushed off with a well-aimed Killer Wail.
- The Killer Wail is excellent to use at corridors where the enemy has a hard time to move aside. It is very strong on stages such as Walleye Warehouse, Port Mackerel and Camp Triggerfish.
- The Killer Wail leaves a set of circles when it is about to activate. Watch out for them when they are visible and dodge it in squid form.
- If an enemy has the Killer Wail as their special, take caution when walking around corners as they may silently channel it as a surprise.
- The Killer Wail makes a loud guitar noise. This allows the player to know that someone is preparing an ambush. Use the noise to dodge it before retaliating.
- Repeating the final boss level can help practice dodging the Killer Wail, as one of his attacks uses the Killer Wail.
|“||Killer Wail is an extremely powerful special, ideal for splatting opponents caught within its lethal sonic cone. When activated, you're prompted to aim the device, which appears like a large megaphone. In addition to rotating the device, you can also tilt it, aiming it up or down. Once set, shoot the Killer Wail to send a sonic blast through the stage. This wave travels through the entire stage, passing through walls and other objects. Given the special's linear attack, aim it down narrow corridors or high-traffic chokepoints. While the Killer Wail doesn't spread ink, any opponents unlucky enough to be caught within its blast will explode, spreading your team's ink over a small area.||”|
— Splatoon Prima Guide
Concept art of various weapons, with the Killer Wail in the middle.
In Splatoon 2, as explained in Sunken Scroll 11, no special weapons from the first game return. The role of the Killer Wail was indirectly replaced by the Sting Ray, in that they both shoot an extremely long beam that can pass through walls.
- Main article: Princess Cannon
During the final boss Turf War in the Octo Expansion, after the player has successfully completed the objective, Pearl uses a customized Killer Wail known as the Princess Cannon together with her battle cry to defeat the final boss.
After its appearance in the Octo Expansion, the Princess Cannon returned during the Chaos vs. Order Splatfest as a special weapon that could be obtained and then used by any player at the center of MC.Princess Diaries one minute before the end of battle.
- Killer Wail is a pun on the name the killer whale.
- When launched, the Killer Wail emits a sound like a guitar chord that lasts for a few seconds.
- The Killer Wail most likely causes Inklings and Octolings to disintegrate, as they are supposedly made of liquid.
- A Killer Wail is used by the final boss of Octo Valley in the second phase and later. It is different in the boss battle. It takes longer to activate and is narrower than in multiplayer.
- There are no sloshers with the Killer Wail as their special weapon.
- There is only one splatling with the Killer Wail as its special weapon.
The Inkling fighter in this game uses the Killer Wail as their Final Smash. When activated it takes a few seconds to activate. While it is being activated, everything is slowed down. When activated, anything that touches the Killer Wail's laser will be dealt damage. The Killer Wail can be moved up and down by moving the L stick up and down.
Names in other languages
|From メガホン, a noun which means "megaphone", and レーザー, meaning "laser".|
|From Megalodon (spelled the same in English and Dutch), an extinct species of enormous shark, and megafoon, which means "megaphone".|
Megalophone or Sharkophone
From sirene, which refers to a "siren" (as in a device that produces sound), and dodelijk, an adjective which means "deadly".
|French (NOA)||Laser-perçant||From laser, which means "laser", and perçant, an adjective that translates to "piercing".|
|French (NOE)||Haut-perceur||From haut-parleur, meaning "loudspeaker", and perceur, which means "piercer".|
|German||Heulboje||From heulen, a verb which means "to cry or howl", and Boje, which means "buoy".|
|Italian||Tintofono||From tinta, meaning "ink", and the suffix -fono, which is used in relation to sounds similarly to how -phone is used in English.|
|From Megalodon, an extinct species of enormous shark, and мегафон, which means "megaphone".|
Megalophone or Sharkophone
|Spanish (NOA)||Berreón||From the noun berreón, which refers to a bawler (someone who cries).|
Bawler or Screamer
|Spanish (NOE)||Tintófono||From tinta, which means "ink", and the suffix -fono, used in relation to sounds, similar to -phone in English.|
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- Super Smash Bros. Ultimate, Splatoon 3
- From Splatoon's electronic manual on nintendo.nl