Title: Why did you kill your sister in Back of the Dragon 3?
In recent years, "Dragon Rider 3" (hereinafter referred to as "Dragon Rider 3") has been discussed by players because of its complex plot and profound character creation. Among them, the relationship between the protagonist Zero and his sister is particularly eye-catching, especially the core plot of "Why did you kill your sister?" has become the focus of heated discussion among players. This article explores the motivations and background of this episode through structured data and analysis.
1. Plot background and key characters

The story of "Dragon Back 3" revolves around "Diva" Zero and her five sisters. Zero decided to kill his sister himself because he was predicted to destroy the world, but there was a deeper motive behind this act. The following is a summary of the relationships between the main characters:
| Role | identity | Relationship with Zero |
|---|---|---|
| Zero | Protagonist/Diva | self-sacrificing avenger |
| five sisters | clone | Considered by Zero as a "sin that must be eradicated" |
| Flower of Destruction | The source of the curse | The culprit behind the blackening of the sisters |
2. Analysis of the motives for killing my sister
Zero's behavior may seem cruel, but it actually stems from the following core reasons:
| motivation | Specific performance | Plot basis |
|---|---|---|
| Prevent the prophecy of doom | The sisters will destroy the world after being infected by the "Destroying Flower" | The prophecy at the beginning of the game and Zero’s monologue |
| self-salvation | Zero thinks he is the source of the curse | The final chapter reveals that Zero is actually the "first flower" |
| twisted love | Protect his soul by killing his sister | Thank you from the sisters in the branch ending |
3. Player disputes and interpretations
Regarding this episode, the player community has been polarized in their opinions:
| Supportive point of view | Opposition view |
|---|---|
| • Reflects the tragic hero’s sense of destiny | • Insufficient plot preparation and abrupt motives |
| • In line with the world view of the "NieR" series | • Over-reliance on “black, deep and residual” narratives |
4. Analysis of the production team’s intentions
According to an interview with producer Yoko Taro, the design aims to:
5. Conclusion
Zero's act of killing his sister is essentially an extreme interpretation of "sacrifice" and "redemption" in "Dragon Back 3". Through the anti-hero narrative, the game forces players to think: in the inevitable tragedy, do individual choices still have meaning? This controversial plot may be the reason why "Dragon Back 3" is still being discussed after ten years.
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