Lero-Ro

"I'm now going to the 77th Floor. If I go there... I may be able to find the truth."

- Lero-Ro to Quant

Lero-Ro (레로-로, Rehro-Ro; "Lero-Ro") is a former Examiner of the Second Floor. He is an exceptionally strong Ranker, to the point that even Quant, also a former Administrator (and a haughty one), would constantly boast about his strength. He was supposedly the strongest Second Floor Administrator and is particularly skilled in the use of Shinsoo. He was also the Light Bearer position instructor (indicating that he himself is a Light Bearer). It can also be assumed that he is not only a Light Bearer but a Fisherman as well because he has a Reel Inventory (refer to Season 2: Episode 37). He is fairly old, older than Yuri Zahard, as he stated that Anak Zahard didn't live up to a Princess's chaotic expectations like Yuri Zahard did, whom he met when they were both Regulars. He and Quant are awkwardly described as a "Set Menu", explained by the fact that Lero-Ro and Quant climbed the Tower together like a team. He is apparently quite famous, as his profile can be found on the network Light Bearers use and he took over 300 years to climb the Tower.

Appearance and Personality
Lero-Ro is a tall, human-looking individual with blonde hair and two black spots under his eyes that show that he has undergone a special test. His choice of clothing was that of most test examiners: a white lab coat with black trousers and gloves. After leaving his position as one of the Examiners, he is seen in a black tuxedo.

He appears to be a fairly collected and easygoing person. He is somewhat inquisitive about people. According to Yu Han Sung, he had always been seen with Evankhell, implying both of them worked together quite a lot and he was capable and trusted by the Ruler.

He is also very sharp and even realised Anak Zahard was a fake, calling her "Anak Zahard". As a result, he considered her powers to be "under expectations", as she wasn't really a Zahard's Princess. He considered her weapon to be "a little bit dangerous", implying he might've known it was the Green April.

He had trouble considering whether or not he should let Koon Aguero Agnis pass the Hide-and-Seek Test; although it was obvious that Koon was brilliant, he also considered Koon dangerous. Yu Han Sung noted that due to his intelligence and curiosity he could be quite hard to manipulate. He is a shrewd individual, realising that his superior was hiding something about the truth of the Tower, the Irregulars and Baam. It is unknown if he knew Rachel was an Irregular.

Lero-Ro's Test
Lero-Ro proctored the tests on the Second Floor with the other examiners. He introduced himself to the Regulars just after they teamed up, then flung a Shinsoo barrier at them. When Baam was not pushed back by the barrier, Lero-Ro realised that he had "another monster" and agreed to let him pass. He sat with Baam and watched as the other Regulars tried to get through the barrier. They made a bet over who would pass through the barrier first, with the winner having the opportunity to ask the loser a question. However, they both bet on Anak and both proved to be right. Lero-Ro conceded the bet to Baam, who asked him what an Irregular was. When all but three of the Regulars had gotten through, one of them loudly complained, causing Lero-Ro to shock him with Shinsoo, to prove that he could not advance. Afterwards, he left them to the next test.

Crown Game
He watched Anak's fight and stated that although she was strong, she was a disappointment compared to Yuri - although her weapon was "a bit dangerous". When Anak attacked Baam to try and get the Black March, Lero-Ro intervened and arranged things so that if Baam's team won the game, they would get the Green April, but if they lost, Anak would get the Black March.

Position Test
During the Position Test arc, Lero-Ro served as the instructor for the Light Bearers.

Hide-and-Seek
He watched the Hide-and-Seek test silently and saw Koon's whole scheme through his Lighthouse. He had difficulty deciding what to do with Koon, which Yu Han Sung only made worse by talking to him in a cryptic and menacing way.

Submerged Fish
After the Hide-and-Seek Test, Koon came to him to reveal that someone other than a Regular had influenced events in the previous test. After being given sufficient evidence, Lero-Ro suggested that there may be another way to get the injured Rachel into the next test.

Last Examination
Later, with Koon's suspicions in mind, he spoke to Yu Han Sung about the purpose of the Second Floor. He noted, "a sea without waves is no different than stale waters. And such waters are bound to rot. I think living while being hit by waves is a better idea".

Epilogue - Rachel
After the passing Regulars moved up to the next Floor, Lero-Ro quit his position as an Examiner on the Second Floor and intended to go to the 77th Floor, where the headquarters of the Wolhaiksong resided. He told Quant that there, he may be able to find the "truth".

Extra Floor - Suspicious Arcade
While travelling with Quant on the 77th Floor, Lero-Ro ran into Hachuling. After Quant was defeated by the Wolhaiksong member in a series of comical games, Lero-Ro decided to fight him for real. However, before they could begin, Hachuling received a boring assignment from Wing Tree and decided to admit the pair into the organisation as 'interns' if they'd do his work for him.

Archimedes
We discovered later that he succeeded in infiltrating the Archimedes ship by being recruited as a guard of the facility which was currently working on Emile.

The Truth
Dressed as a guard he saved Hatsu from a patrol which was attempting to self-destruct and took Hatsu with him. He said that Hatsu had made great progress. After informing him about the end of the individual tournament, Lero-Ro asked for Hatsu's assistance in order to stop the creation of the "worst" weapon. It is later revealed by Hatsu that the job given to Lero-Ro by Hachuling was to observe Jyu Viole Grace. This was originally ordered by Urek Mazino who had grown interested in Viole after their fight. As Lero-Ro watched Viole he noticed that he very closely resembled Baam and decided to infiltrate the Archimedes in order to meet him.

Thorn
In order to delay the time for when the solution would be poured, Lero-Ro released the prisoners held on board Archimedes.

Closure
Before one of the guards are able to shoot Sophia Amae, he interfered and revealed that he has come to help his students. Lero-Ro then told them that he came to the Workshop because of Urek Mazino's growing curiosity in Baam and that they would escape through the suspendiship prepared by Wolhaiksong. At this time, Reflejo sent a taunting message to Viole, threatening to kill the hostages, Hwa Ryun, Kang Horyang and Novick. Lero-Ro recommended against Viole returning but was unsuccessful in doing so. In the resulting battle, he fought against a FUG Ranker to buy time for Viole and his friends to escape.

Epilogue
Lero-Ro was seen discussing the events of the Workshop Battle with Quant and Hachuling, suspecting that there was an intervention by higher-ups​ which prevented the details of the event leaking out.

Powers and Abilities
Lero-Ro is incredibly strong for a former 2nd Floor Administrator and is exceptionally strong for his age. He is held in a high regard by most Rankers and many fans state that the proof of his strength is all in the Stat Cards; he has the same rating as RED member Lo Po Bia Ren. According to SIU, because of his abilities as a Jeonsulsa, he is stronger than Ren.

​Super Hearing: He has amazingly good ears, being able to listen to Koon's silent comment from more than 100 meters away. It's unknown whether it's a result of Shinsoo or simply a trait of his.

Physical Strength: Lero-Ro is much stronger than he looks. He was able to hold back a two-handed swing from Anak's weapon with just one hand, without seeming to exert much effort at all. He may have used Shinsoo to do this.

Shinsoo Manipulation: Lero-Ro can create barriers of Shinsoo, which push weaker beings backwards and will stop those who cannot handle the Shinsoo pressure from coming through (in the Regulars' test the only person not repelled by his barrier was Baam, who was shown to have incredible resistance to Shinsoo, comparable even to Yuri Zahard). Lero-Ro can also increase the density of Shinsoo around him to incredible levels and is skilled enough to create lightning with Shinsoo.

Lighthouse Control: Being a Light Bearer, Lero-Ro can control Lighthouses. During his time as a Second Floor Examiner, he and Yu Han Sung were the only Rankers who could view every single aspect of the testing facilities. He has a bright gold Lighthouse and can manipulate its form at will, using it to explain to Baam the basic structure of the Tower.

Flight/Levitation: Lero-Ro can levitate himself thousands of meters off the ground using Shinsoo and also fly around at high speeds.

Lightning Technician: His statcard reveals that he is a Jeonsulsa (전술사), meaning he holds a special position and is capable of using Shinsoo to wield electricity in battle.


 * Dangan Style: Weapon Reinforcement Technique: Lightning Strike (단간식: 무기강화술: 전격 (단간式: 武器強化術: 電撃), Dan'gan-shik Moogi'ganghwasool Jeongyeok): A technique that uses electrical Shinsoo to boost a weapons power. It explodes in a big flash from the point where the enemy is hit.

Notes and Trivia

 * Lero-Ro's face can sometimes be seen on vending machines.
 * He seems to be an audiophile and enjoys collecting limited edition speakers as well as gramophones.
 * According to SIU, he was modelled after Pikachu and the "dots" on his face are not moles but some kind of other mark.
 * SIU further explained that similarly to Koon Ran's Redan, one gets the marks after eating "something".
 * In one instance, he and Quant have been referred to as a "set menu". This is demonstrated by how Quant and Lero-Ro travel together.
 * He and Yuri Zahard were selected as Regulars in the same time period. Only two of them who had become Rankers from that group of Regulars. However, there is a big time difference between the time when both of them became a Ranker.

Quotes

 * (In reference to Baam) "Looks like we got a monster."
 * (Answering an unfortunate Regular) "Do you know what is the most important factor in climbing the Tower? That is - luck. Luck that allowed you to be born with a strong body. Luck that gave you a smart brain. Luck that brings wealth. Luck that avoids death. Luck that gave you a team- the reason you all have made it so far- was because of your luck. And you're saying that testing your luck is unfair?"
 * (To Baam about an unfortunate Regular) "Don't you think that god is quite cruel? When he first shows you this world- makes us feel we could possess anything in this world...however, with a sudden appearance- he tells you "that's your limit". Even though there are so many things that we want still unfulfilled."
 * (Answering Baam's question) "However I do know that there will also be a time when you must stop as well. And at the moment that you do stop, at that place I hope that what you are looking for is there."

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Lero-Ro