Irregular

"The Tower doesn't open its gates for just anybody. No matter what, it only opens its gate to 'something' that it needs. Stability, Change, Revolution or Liberty... "

- Alumik Edrok to Evan Edrok

An Unchosen Irregular (비선별인원, biseonbyeolinwon; "members who have not been chosen" or "Irregulars"), more commonly known as simply an Irregular, is someone who was not selected from within the Middle and Outer Towers to climb the Tower through Headon's normal selection of Regulars, but who entered the First Floor from the outside.

Nature and Definition
In the current political system, Headon visits the Outer Tower and the Middle Area to select Regulars. In this system, Irregulars are called "unchosen Irregulars" and Regulars are called "chosen Regulars" or "selected chosen". It is unknown if this current selection process is part of a contract Zahard made with a Guardian like Headon. It is assumed Headon's choice reflects the Tower's choice and in turn, the Tower's Rules.

Politically, Irregulars are viewed as beings who have entered the Tower and in turn, the Inner Tower, without being chosen by the Tower to enter. However, Alumik Edrok, a guide, pretends that the tower "open its gates" to the irregulars, depending on what it needs. According to Yuri Zahard, they're "probably not too welcome" and she assumes Headon doesn't like Irregulars. According to Ship Leesoo, Irregulars have "opened the door themselves of their own will" and their act goes "against the Tower's Laws". In addition, they violate the restrictions set by the Guardians when manipulating Shinsoo and this is likely considered further proof of their violation of the Tower's rules. "God" of guardians calls them "Those who opened the gate themselves". He confirmed they have been granted authority to control shinsoo without the need of the administrator's approval.

"Irregulars have brought great change" and "chaos into the Tower" and "all the people in the centre of the Tower" (assumed to be the Ruling Class and many of those serving the Zahard Empire) tremble at them.

Only Irregulars can receive challenges directly from the Guardians. Presumably, this means that before the creation of the Regular system, only those who would now be termed Irregulars were able to climb the Tower at all; it may also mean that only an Irregular can challenge Floors that lack an administrator.

The most important thing about an Irregular, at least for FUG, is that they, as beings from the outside, are "free of all the contracts of the Tower"; most importantly, this means that they are capable of killing Zahard, who has a contract with the Guardians that guarantees that the inhabitants of the Tower can never kill him.

Most known Irregulars have shown exceptional power from the moment they entered the Tower, but it is unknown whether this is a universal property of Irregulars, whether it's something they naturally have as a result of their origin or whether such power is usually just a prerequisite for forcing your way into the Tower in the first place.

Zahard and the Ten Family Heads


Officially, the term Irregular refers to those who have entered the Tower in defiance of the existing system; therefore, Zahard and his companions might not be considered Irregulars, despite entering from the outside. However, in Of the Tower's Weapons, Ashul Edwaru seems to group Zahard among their number, as does Yu Han Sung, indicating that they might be retroactively considered such despite (or perhaps because of) the Regular system not existing in their day. As well God of guardians group them in this category and refers to them as the "Zahard kids".

Characteristics
The known Irregulars who entered the Tower during Zahard's rule have displayed enormous strengths which eventually become a symbol of fear.

They have a strong relationship with shinsoo. They have the authority to manipulate it on every floor from the moment they entered the tower. Lero-Ro described Baam's dispaly in the crown game as "it seemed as if the shinsoo attacked on his own volition.". Baam showed incredible Shinsoo resistance from the first floor on, casually walking in a white steel eel nest, and not being affected by Lero-Ro's test. Finally the most incredible feats with shinsoo have been realized by Irregulars: Eurasia killing 90% of the population of a floor by accelerating shinsoo in it. Gustang being the first to systematically analyse and classify shinsoo. Enryu who is rumored to create life from shinsoo, and has killed the 43th floor aministrator.

According to Androssi Zahard, she felt she shouldn't fight Rachel and had this feeling she came from "a different place from us". It seems the Princess was unsettled enough to join up with Rachel. She even accepted and obeyed Rachel's request to not fight Baam's team. Something similar might also have attracted Koon Aguero Agnis to Baam, as Aguero was one who never trusted others and who never talked to others unless necessary. Yet Aguero thought that Baam was too special to be ordinary and even went out of his way to help him, risking his status. That might also explain Yuri's, Black March's and Yihwa's instant crush on Baam.

According to Alumik Edrok, the Tower only opens its doors for "something it needs", implying that Irregulars are deliberately accepted into the Tower's system to change its status quo in some fashion.

According to Hwa Ryun, Rachel (and, based on context, Baam) are beings that "not even the Guides can foresee". This could be another way to demonstrate the Irregulars' capacity of violating the Tower's laws and bringing change.

The Hell train and its guardians have been specifically created by the Gong Bang to train irregulars.

Speculation and Controversies
The current testing system, in which Regulars are selected by Headon, was likely established by Zahard after he conquered the Tower up to the 134th Floor. Since only Irregulars can request to be tested directly by the Guardians, it follows that the only an Irregular (or those travelling with an Irregular) can actually reach the top of the Tower. This implies that the original purpose of the Tower may have been solely to test those now known as Irregulars. Also the specific purpose of the Hell train and the "God" of the guardians.

For the longest time, there was an extensive debate in the fanbase over whether or not Rachel qualified as an Irregular, stemming from the unusual way Headon addressed her in Chapter 76 - the fact that Headon specifically said that she was "not chosen" (an unusual wording, since by the normal definition all Irregulars are unchosen) and debates over just what it means to "open the door" led many to believe that either Rachel or Baam was not an Irregular. SIU finally confirmed that both were Irregulars in a live chat with fans, but what, if anything, was meant when Headon said she was 'not chosen' (and, by extension, implied that Baam was) remains unknown.

One interpretation of these semantics is that Irregulars are, presumably, deemed by the Tower itself and its Guardians as being "worthy" or possessing the "something" the Tower needs. Essentially they enter and climb the Tower the way the Zahard and the original Family Heads did - opening the door themselves and taking the Guardians' tests. Conversely, Regulars are chosen by systems within the Tower, instated by inhabitants acting on the Tower's behalf via contracts with Guardians (i.e. Headon brings Regulars to the Inner Tower instead of to the doors, other Guardians defer testing duties to Administrators). It is because they bypass these systems that Irregulars are considered "unchosen" by common standards - even if they are "chosen" by the Tower's original standards.

SIU has mentioned the current number of Irregulars in the Tower is secret.
 * Irregulars
 * Enryu (Spear Bearer)
 * Phantaminum
 * Rachel (Light Bearer)
 * Twenty-Fifth Baam (Wave Controller)
 * Urek Mazino (Fisherman)
 * Zahard (Fisherman)
 * Ari Han
 * Arie Hon (Fisherman)
 * Eurasia Blossom (Wave Controller)
 * Ha Yurin (Scout, Fisherman)
 * Hendo Lok Bloodmadder (Defender)
 * Koon Eduan (Spear Bearer, Fisherman, Jeonsulsa)
 * Po Bidau Gustang (Wave Controller)
 * Tu Perie Tperie (Light Bearer)
 * Yeon Hana (Fisherman, Wave Controller)
 * Yeon Hana (Fisherman, Wave Controller)

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