Spell

Spells (주술, Jusul) are a mysterious power that has existed from the very beginning of the Tower. A person who can master many spells can be granted a special title of "Sorcerer".

About
Spells are considered to be a mystical power that has existed before Zahard and his companions entered the Tower. Such power is governed by several laws. So far there are three rules the user must abide at the moment of using a spell: Because of these rules, some spells can be broken or neutralised by a higher ranking spell. Thus, items such as the 13 Month Series considered to the "Ultimate Spell Item".
 * 1) The caster must not violate the rules of the spell once they are set.
 * 2) The caster must receive help from a powerful medium or divine being.
 * 3) The rank of a spell is determined by the power of the being or medium who helped with the spell.

Applications
Over the course of the series, spells have shown to have a number of purposes. For example, Hoaqin once cast a spell that allowed him to combine the power of his siblings and assume a new identity as White. The enchantment on the 13 Month Series is a spell so powerful that not even the Floor Guardians can break. Together, Grand De Jah and Grand De Sah managed to create a space on the 43rd Floor known as the Spirit Room, where the souls of the citizens of the 43rd Floor reside, in order for people to live forever without ageing despite the harsh conditions of the Floor. Regulars can also use spells, as Anna, Levy, Sachi Faker and Yool both incorporate them into their fighting style. Also, items such as the Bell of Dawn and the 13 Month series are considered to be enchanted items.

The bases of the 10 Great Families have their walls protected by a powerful spell that is impervious to any physical or Shinsu attacks and can only be cancelled by Zahard and the 10 Family Heads.

Known Spells
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 * An Unnamed Spell that was placed on Baylord Doom's Heart with the purpose of mind-controlling him. It was cast by some ancient elite Sorcerers under Khel Hellam's order.

Known Spells Users

 * Arlen Grace (Sorcerer)
 * Grand De Jah
 * Grand De Sah
 * Khun Icardi
 * Levy (Sorcerer)
 * Po Bidau Gustang
 * Sachi Faker (Sorcerer)
 * White
 * Anna
 * Hoaqin
 * Yool
 * Dowon

Notes and Trivia

 * SIU has stated that, for Regulars, if they don’t have a good understanding of spells, it's hard to block them even for strong Regulars.