Kingdom – Season 3 (2020–2021)

The Coalition War Arc

After years of political maneuvering and small-scale wars, Kingdom reaches one of its most legendary arcs in Season 3—the Coalition War. Qin finds itself under siege from an unprecedented alliance of six rival states, threatening its very existence. With overwhelming odds stacked against them, Xin, Zheng, and Qin’s generals must unite their people to survive the greatest battle of the Warring States period.

Season 3 Overview

Title: Kingdom (Season 3)
Episodes: 26
Air Date: April 6, 2020 – October 18, 2021
Studio: Studio Signpost (Pierrot’s subsidiary)
Streaming Platforms: Crunchyroll, Funimation
Opening Theme 1: "TOMORROW" by BiSH
Ending Theme 1: "Deep inside" by waterweed
Opening Theme 2: "STACKiNG" by BiSH
Ending Theme 2: "kIng" by Kohta Yamamoto

Story Summary

The coalition of six states—Chu, Zhao, Wei, Han, Yan, and Qi—marches to annihilate Qin once and for all. Outnumbered and cornered, Qin’s survival depends on the leadership of its greatest generals and the unyielding spirit of its people.

Xin fights alongside legendary commanders, including Wang Jian and Meng Wu, in battles that will decide Qin’s fate. Meanwhile, Zheng rallies his nation through sheer willpower, proving his right to lead. The war pushes every character to their limits, forever altering the balance of power in China.

Major Arcs Covered

1. The Coalition Army’s Invasion – Six states unite against Qin.

2. Battle of Hangu Pass – A desperate defense against overwhelming forces.

3. Xin’s Growth – From soldier to trusted commander under Qin’s generals.

4. Zheng’s Resolve – A king who refuses to surrender, inspiring his nation.

5. Turning the Tide – Qin’s legendary generals demonstrate unmatched strategy.

Key Themes

• Unity vs. Overwhelming Odds – A nation’s survival against impossible enemies.

• Heroism & Leadership – Xin rises as a true warrior under legendary generals.

• Nation Before Self – Sacrifice becomes the cornerstone of Qin’s defense.

• Destiny of a King – Zheng’s vision of unification is tested like never before.

Main Characters – Season 3

• Xin (Shin): Proves himself as a commander in the largest war yet.

• Ying Zheng: Inspires his nation with unwavering determination.

• Wang Jian & Meng Wu: Legendary Qin generals leading the defense.

• Riboku (Zhao): The brilliant strategist orchestrating the coalition army.

• Chu, Wei, and Other States’ Commanders: Rivals united against Qin.

Where to Watch

You can watch Kingdom – Season 3 on:

• Crunchyroll

• Funimation

Final Thoughts

Season 3 of Kingdom is a masterclass in large-scale war storytelling. The Coalition War arc delivers epic strategy, emotional sacrifice, and turning points that shape Qin’s destiny. For fans of military drama, political intrigue, and heroic battles, this season is one of the most powerful arcs in the entire series.