Zaryusu Shasha is a male lizardman warrior from the Green Claw tribe, famed as the strongest warrior among the lizardmen and the bearer of the treasured sword Frost Pain.
Role: Traveler and warrior of the Green Claw tribe
Race: Lizardman
Base Level: 20 (Race Level 1 + Job Levels 19)
Race Level: Lizardman 1
Job Levels: Fighter 10, Sword Master 6, Ranger 1, Sage 2
Alignment: Good to Neutral (Karma Value: 100)
Title/Nickname: Strongest Lizardman Warrior
Residence: One of the Green Claw tribe’s houses
Occupation: Traveler, later instructor of warriors
Affiliation: Green Claw tribe, later subordinate to Ainz Ooal Gown
Family: Elder brother Shasuryu Shasha; partner Crusch Lulu
Famous Weapon: Frost Pain (one of the Four Lizardman Treasures)
Pet/Companion: “Rororo,” a four‑headed hydra
Voice Actor (anime): Hiroki Touchi
Zaryusu Shasha is a traveling lizardman from the Green Claw tribe, one of the five lizardman tribes living in the wetlands.
He is the younger brother of the Green Claw chieftain Shasuryu Shasha.
As a traveler, he explored the outside world and brought back knowledge of fish farming, successfully introducing aquaculture to his tribe.
Despite this achievement, his constant traveling causes some tribe members to treat him as an outsider.
Zaryusu is renowned for his combat skill, to the point of being recognized as one of the strongest warriors among all nearby lizardman tribes.
He gained the right to wield Frost Pain, one of the Four Lizardman Treasures, after defeating the chieftain of the rival Sharp Edge tribe in a past tribal conflict.
During his travels he encountered and adopted Rororo, a four‑headed hydra, and raised it as his companion.
His life changes dramatically when he becomes involved in the defense against the invasion of Nazarick and later comes into direct contact with Ainz Ooal Gown.
Zaryusu is intelligent, responsible, and level‑headed, to the point that his brother Shasuryu once told him that Zaryusu should have been the chieftain instead.
He is capable of calmly assessing situations and making strategic decisions that prioritize the survival of the many over the lives of the few.
He views war in starkly pragmatic terms.
During a food crisis, he can accept war as “a way to reduce the total number of lizardmen” so that the survivors will have enough to eat, showing a ruthless but utilitarian mindset.
At the same time, he is honest, passionate, and emotionally straightforward.
He falls in love with Crusch Lulu at first sight, proposing to her within seconds of meeting her, and pursues this relationship with sincerity.
He respects strength, both physical and mental, and values cooperation between tribes when facing overwhelming threats.
After experiencing Ainz’s power and resurrection magic firsthand, his worldview shifts and he comes to revere Ainz as a god‑like being.
Zaryusu’s strength comes from a combination of physical prowess, tactical judgment, and his powerful magic weapon Frost Pain.
He fights with a cool head, reading the flow of battle and coordinating with allies effectively.
Frost Pain is a treasured weapon among the lizardmen, known as one of the Four Lizardman Treasures.
It is a magical sword with ice‑related properties that significantly increases its wielder’s combat power.
Zaryusu is known to use martial techniques, though the exact skills or “battle arts” he commands are not specified.
He is physically strong even among lizardmen, making him a front‑line fighter capable of standing out in group battles.
According to the author’s own ranking comments, Zaryusu is stronger than Climb.
However, he is weaker than Zero, Brain Unglaus, and others who possess strength on the level of adamantite‑class adventurers.
Even in hopeless situations against beings from Nazarick, he demonstrates the courage and skill to land an actual blow on Cocytus, which earns him the guardian’s respect.
This combination of bravery, skill, and composure defines his reputation as the strongest lizardman warrior.
Preparations Against Nazarick’s Invasion
When the Great Tomb of Nazarick begins its invasion of the lizardman wetlands, Zaryusu realizes that no single tribe can stand alone.
He proposes forming an alliance among the five lizardman tribes to resist the invading army.
He shares the diplomatic work with his brother Shasuryu, splitting their targets for negotiation.
Zaryusu takes Rororo and heads to negotiate with the Red Eye tribe, with whom there is no prior relationship, and with Dragon Tusk, where some survivors of a tribe previously destroyed by Green Claw now reside.
In the Red Eye settlement he meets Crusch Lulu, who is serving as acting chieftain.
Zaryusu falls in love with her at first sight, immediately proposes, and the two quickly become lovers while continuing their political negotiations.
Zaryusu then travels with Crusch to the Dragon Tusk settlement.
There he challenges the chieftain Zenberu Gugu to single combat and wins, securing Dragon Tusk’s participation in the alliance.
Battle Against Nazarick’s Army
In the first major engagement against Nazarick’s forces, Zaryusu, Crusch, and Zenberu are held in reserve as a special strike group.
When the enemy commander Igvai 41 appears on the battlefield, they are deployed as a decisive counterattack.
They launch a desperate assault with crucial support from Rororo, who charges at the enemy despite the mortal risk.
Through the combined effort of Zaryusu, Crusch, Zenberu, and Rororo’s sacrifice, they succeed in defeating Igvai 41.
This victory, however, does not change the strategic situation, as Ainz Ooal Gown himself later appears.
When Zaryusu witnesses Ainz and the forces of Nazarick, he realizes that the lizardmen have no real chance of winning.
Choosing Who Fights and Who Lives
Before the final battle, a war council is held.
Zaryusu argues that someone must survive to lead the lizardmen after the warriors fall, and proposes that Crusch be excluded from the last fight under the pretext of needing a future leader.
Crusch strongly resists this idea, wanting to fight alongside him.
Zaryusu persists and eventually persuades her, balancing his feelings with his sense of responsibility for their people.
Once she accepts, Crusch confesses that she wants to bear Zaryusu’s child before the coming battle.
They spend the night together, deciding to create a future for their race even as they prepare to die for it.
Final Battle Against Cocytus
In the second major clash, the lizardmen face Cocytus himself.
Zaryusu fights alongside Shasuryu, Zenberu, and many other lizardman warriors.
Despite their courage, they are completely outmatched, and Zenberu and other lizardmen are cut down one after another.
Zaryusu and Shasuryu coordinate their attacks in a desperate final effort.
Through perfect teamwork, they manage to land an actual strike on Cocytus.
The blow is insignificant in terms of damage, but it is impressive enough that Cocytus acknowledges Zaryusu as a warrior worthy of respect.
Ultimately, both Zaryusu and Shasuryu are killed by Cocytus.
Their deaths mark the end of the lizardmen’s direct resistance, but their bravery leaves a strong impression on Cocytus and influences how Nazarick treats the lizardmen afterward.
Resurrection and Submission to Ainz
Later, Ainz Ooal Gown decides to use the lizardmen as test subjects for resurrection magic.
Zaryusu is revived by Ainz’s power, returning from death with his memories intact.
Confronted with the fact that Ainz can casually bring him back from the dead, Zaryusu is overwhelmed by the scale of this power.
He also witnesses Ainz’s effortless control over huge armies and immense magical might.
From Zaryusu’s perspective, such abilities are beyond anything a normal being could possess.
He comes to regard Ainz as a being comparable to a god and kneels in submission, accepting Ainz’s rule.
Following the invasion, the lizardmen become subjects of Nazarick rather than its enemies.
Zaryusu’s loyalty shifts naturally, rooted in awe, fear, and a pragmatic understanding that survival lies in obedience to Ainz.
Later Activities and Family Life
After the hostilities end, Zaryusu travels with Zenberu and others to the Great Tomb of Nazarick.
There, he serves as a combat instructor, teaching Hamsuke and other lizardmen martial skills and battlefield techniques.
His role becomes that of a mentor and trainer, passing on advanced combat knowledge to strengthen Nazarick’s forces and its lizardman vassals.
This marks a transition from frontline warrior to experienced teacher.
As Crusch’s time to give birth draws near, Ainz Ooal Gown decides that Zaryusu should return to the lizardman settlement.
Ainz’s decision allows Zaryusu to be by Crusch’s side for the birth, showing that Ainz acknowledges their value as individuals as well as subordinates.
Zaryusu and Crusch safely welcome their first child.
The couple then devote themselves to raising their offspring, symbolizing a new future for the lizardmen under Nazarick’s rule.
Later, when Ainz visits the Dwarven Kingdom, he remembers Zaryusu’s new family.
As a congratulatory gift for the birth, Ainz sends Zaryusu an adamantite chain shirt, a powerful and precious piece of equipment.
This gift further cements the relationship between Zaryusu and Ainz, blending gratitude, dependence, and vassalage.
Zaryusu continues to live as both a proud lizardman warrior and a loyal subordinate of the supreme ruler of Nazarick.
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