The Shocking Demise Of Muzan: Unmasked Heroes And A Valiant Sacrifice

Webthe seven hashira and the kamados are ready to destroy muzan with or without their beloved leader around, because kagaya's defiant will is certain to outlive.

Webas the hashiras frantically make their way towards the ubuyashiki mansion, it is engulfed by flames, leading to a destructive explosion that burns the ubuyashiki family.

The evil entity makes a.

Webwe could see their devotion to ubuyashiki and the pain caused by his death.

Webas a result, when muzan was about to kill him, he, in a shocking move blasted himself, his wife, and his two eldest daughters to take muzan off guard.

Webthe reason the ubuyashiki family was going after muzan was because, as per a priest, muzan's existence was what was causing his family members to become sick.

Webubuyashiki went on to sacrifice himself and his family in order to defeat muzan.

Webdemon slayer's hashira training arc finale sets the stage for the final battle with muzan, marking the start of the biggest showdown.

So this answers the question that ‘did muzan kill ubuyashiki’, no he did not.

To confront and defeat muzan.