'Attack On Titan' Season 4, Episode 6 Preview, Synopsis, Spoilers: The War Hammer Titan

Willy Tybur's declaration of war on Paradis Island shocks the audience. But what follows the announcement are death and carnage. "Attack on Titan" Season 4, Episode 6 (or Episode 65) is titled "The War Hammer Titan."

The official preview trailer for the episode is out, teasing the aftermath of Eren Jaeger's transformation as a Titan.

As Willy declares war on Paradis Island, a Titan appears out of nowhere. Amid the Titan's roar, several people are crushed to death.

Meanwhile, Falco and the other cadets are seen trying to help the forces in rescuing the citizens. Toward the end of "Attack on Titan" Season 4, Episode 6 promo, Eren is confronted by the War Hammer Titan.

"Willy Tybur declares war to [sic] Paradis in his speech. Then, as the place becomes noisy, an uninvited guest appears," the summary read, as tweeted by Spytrue.

"Attack on Titan" Season 4, Episode 5 starts with Willy getting ready for his big day as he addresses the people. Backstage, he meets Kiyomi Azumabito who wishes him luck.

Elsewhere, Eren reunites with Reiner Braun in an underground cellar behind the event venue. Reiner is shocked to see Eren who tells the former to sit down. Amid the reunion, Falco looks scared and confused.

Reiner fears about Eren's intention. However, Eren looks calm and reveals that he feels Reiner's pain.

The warriors and the cadets are surprised to witness the sheer number of Marleyan military deployed at the theater. The soldiers are keeping a close watch and are ready to counter any attack.

Back at the theater, Willy kickstarts his address by sharing the history of the Eldians. He reveals how the Eldians used the power of the Titans to rule the world and wipe any trace of humanity.

Later, in the absence of an enemy, the families holding the Titan powers battled against each other and started the Great Titan War.

Toward the end of the episode, Eren decides it is time to transform as Falco and Reiner watch in horror.

"Attack on Titan" Season 4, Episode 6 is scheduled to air Sunday. The episodes are available on Crunchyroll, Hulu and Funimation.