S'yne's Sister

This article is based on the Light Novel (not the Web Novel)
This page may contain spoilers for the manga and anime up to Volume 22.

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S'yne's Sister
Primary Information
Alias(es)	Vassal Chain Wielder
Nickname(s)	Moron Woman (former)
Physical Information
Race	Skywing
Gender	Female
Hair Color	Cream
Professional & Social Info
Family	S'yne Lokk (sister)
Status	Alive
Occupation	Vassal Weapon Holder
Country	Unknown
Affiliation	Third Army
Weapon	Vassal Chain
Media
Light Novel	Volume 17
Web Novel	Light Novel Exclusive

S'yne's sister is a powerful member of the organization behind the Waves and is often seen with the Vanguards of the Waves testing their new technology.

Quick Answers

What is the role of S'yne's sister in the organization behind the Waves?

S'yne's sister is a powerful figure in the organization behind the Waves, recognized for her remarkable strength. She betrayed her own world, which she destroyed, and now collaborates with the organization, experimenting with new technology and participating in conflicts. She has demonstrated some compassion, notably when she alerted Naofumi about an impending experimental weapon attack. As a Vassal Weapon Holder, she frequently accompanies the Vanguards of the Waves.

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How does S'yne's sister's clothing style compare to S'yne's?

Both S'yne and her sister have a similar fashion sense, characterized by visible stitching marks on their clothes. S'yne's sister, however, opts for a more revealing style, with large, randomly placed buttons and fur material, a feature absent in S'yne's attire. They both maintain a cool and collected demeanor.

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What is the personality of S'yne's sister in Rising of the Shield Hero?

In Rising of the Shield Hero, S'yne's sister is a complex character. She maintains a cool demeanor, yet reveals a sadistic side, taking pleasure in tormenting others, including her sister. She is extremely confident and skilled. Her motives are unclear, but she enjoys testing new technology against the Heroes, and provides hints to Naofumi and the others on defeating them, sometimes at the cost of her allies.

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What is the significance of S'yne's sister's cream-colored hair?

The cream-colored hair of S'yne's sister is a key aspect of her distinct appearance, contributing to her mature and striking beauty. It differentiates her from S'yne, who has short silver hair. She is a significant character as a powerful member of an organization linked to the Waves, often seen testing new technology.

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What kind of technology does S'yne's sister test with the Vanguards of the Waves?

S'yne's Sister, a member of the Vanguards of the Waves, tests new technologies for the group. She has been successful in implementing the Legendary Weapon suppression system alongside Miyaji, and the Artificial Behemoth with 'Enemy of the Week.' She's also associated with the Vassal Chain, a weapon from a world now destroyed. Her technological trials have been witnessed by heroes including Naofumi.

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Appearance

S'yne's sister is a mature woman with striking cream-colored hair. She is relatively tall and quite beautiful. She wears highly revealing clothing with large buttons placed in random places. Her clothing design is very similar to S'yne's although it also uses a fur material. She also has the same cool, collected demeanor as S'yne.

Personality

Beneath her cool demeanor, S'yne's sister hide a sadistic side. She loves to torment others, including her own sister, for her own enjoyment. She is completely confident in her abilities and has the skills to back up that confidence. However, her true motives are unknown. While she likes to test new technology against the Heroes, she also gives hints to Naofumi and the others on how to beat them - even at her allies' expense. She has even gone to the point of letting her own allies lose for the opportunity to let the heroes to grow. When Naofumi's Village was hit with an experimental weapon, S'yne's Sister tried to warn him to get out before the weapon took effect.

Compared to other women in the organization behind the waves, Lyno found her to be a relatively kind and decent person. She wasn't totally obsessed with gaining power or defeating heroes. However, this doesn't show when she is "in the field".

Background

S'yne and S'yne's sister were both Vassal Heroes from the same world. However, despite being a Vassal Hero, she joined the self-proclaimed leader who was taking advantage of the waves. Together, they destroyed her own world. From then on, she joined her leader to control the Holy Heroes the leader's world. When most of the heroes were killed and the last one was caught by a terrorist group, Malty and her group joined forces so the last hero wouldn't be killed and the leader's world would remain intact. Earning the leader's respect, Malty and her group were put under S'yne's sister's care.

Trivia

• It is hinted that S'yne's Sister's name may be M'yne.