(Chapter 10: The Final Reckoning)

[The scene opens in the grand council chambers of Deltures, where Aria and her trusted advisors gather, their expressions grave and resolute.]

Aria (her voice steady): "The lingering shadow of Shiro and Cedric's legacy cannot be ignored. Our investigation has revealed the true extent of their powers, and the means by which they achieved their immortality."

Advisor 1 (nodding solemnly): "Indeed, Aria. The key to their immortality lies in a powerful, yet unstable, source of magical energy – a remnant of their former power that now threatens to unravel the very fabric of our kingdom."

[The scene shifts to a dimly lit chamber, where Aria and her team of scholars, mages, and historians pore over ancient tomes and arcane artifacts.]

Mage (her brow furrowed in concentration): "This power is unlike anything we've ever encountered. It is raw, untamed, and if left unchecked, it could tear Deltures apart."

Historian (his voice grave): "Then we must confront this threat head-on. Aria, we have devised a plan to neutralize the lingering influence of Shiro and Cedric, but it will be a perilous undertaking."

[The scene returns to the council chambers, where Aria addresses her allies with unwavering determination.]

Aria (her gaze sweeping the room): "We must venture into the heart of our kingdom's most sacred and guarded locations, facing off against the last vestiges of the loyalist movement and the raw, untamed power that has sustained Shiro and Cedric's reign."

Advisor 2 (her expression resolute): "Then we shall accompany you, Aria. This is a battle we must win, for the future of Deltures hangs in the balance."

[The scene shifts to a grand, epic confrontation, as Aria and her team clash with the ghostly remnants of Shiro and Cedric, their magical prowess and the knowledge they've uncovered pitted against the lingering influence of the former rulers.]

Aria (her voice ringing out, commanding the attention of the combatants): "This ends now, Shiro and Cedric! The people of Deltures have reclaimed their homeland, and your reign of terror is at an end!"

[The scene fades, leaving the audience to wonder whether Aria and her allies will emerge victorious in their quest to sever the former rulers' connection to the mortal realm and free Deltures from the shadow of their immortality.]