God of War Ragnarok was delayed over Kratos actor's health, he says - Polygon

Christopher Judge, the voice of Kratos in God of War 2018, shared that he couldn’t walk in 2019. The actor had several surgeries to improve his health, which he blames for the delay of Ragnarok.

Christopher Judge - Wikipedia

God of War: Ragnarok Delayed Due to Kratos Actor Needing Surgery

Kratos Voice Actor Christopher Judge Says He Is the Reason God of War: Ragnarok Was Delayed

A New Game Plus – Memories and Musings

GOW voice actor Christopher Judge clarifies on delay about Ragnarok, “ in my feels right now. I need to be forthcoming. To the beloved fandom, Ragnarok was delayed because of me. August 2019, I couldn't walk. Had to have back surgery both hips

In 'God of War Ragnarök,' Kratos Has Come a Long Way - The Ringer

Kratos actor claims his injury caused God of War Ragnarok's delay

God of War (franchise), Ultimate Pop Culture Wiki

Kratos' voice actor says 'God Of War: Ragnarok' was delayed due to illness