Episode 16 of "Ragna Crimson" begins with Olto Zora reflecting on the consequences of Kamui's arrival on the battlefield and discussing the reasons for Ragna's and Crimson's alliance with Starlia's forces. Zora, determined to outmaneuver Crimson in achieving his goals, considers defeating Starlia before Crimson's plans can be put into action.

Meanwhile, Crimson is in a vulnerable state, hoping that Ragna and their allies can successfully retreat and that Starlia will fall in the ongoing conflict. The battle intensifies as Starlia's group encounters Zora's powerful dragon troops. Despite the precarious situation they find themselves in, the resolve of Starlia's leader and the support of the twins spur the troops against their enemies. Starlia, recalling Crimson's warning words about the dragons' overwhelming power and Zora's unique abilities, believes she has located Zora's whereabouts.

As Zora escalates the brutality of her dragon army, a sense of urgency arises on the battlefield. Starlia refuses to be discouraged and mobilizes her forces for a decisive attack on Zora, drawing inspiration from past victories. Zora, anticipating Starlia's tactics, releases a deadly poison but is confronted by Nazarena, who delivers what appears to be a fatal blow. However, Zora's unshaken demeanor hints at a complexity that goes beyond Nazarena's intervention.

Starlia, having discovered Zora's true location beneath the battlefield, cleverly lures her into a decisive confrontation. In the process, Zora reflects on her life so far and her relationships, suggesting deep motives and remorse. The unexpected reappearance of Borgius and the forest dragons creates chaos, revealing the unpredictability of the conflict and the intertwined fates of all involved.

Ragna fights relentlessly alongside Gram and Shin against the dragon forces, underscoring the importance of courage and resistance in this episode. The episode reaches its climax with Starlia's strategic deployment of her powers and the combined efforts of her allies, culminating in a dramatic showdown between Taratectora's defense and the coordinated assault of Starlia's forces.