How did Kratos get to Midgard in God of War Ragnarok?

God of War Ragnarok might've quelled a lot of questions from the previous installment, but the reason behind Kratos' arrival at Midgard remains unanswered.

God Of War Prequel Finally Explains Why Kratos Left Ancient Greece

God of War Ragnarok may end up being better than the original

God of War Ragnarok: Across the Realms Quest Guide - KeenGamer

God of War Ragnarok Midgard artifacts, collectibles and Odin's Ravens - Polygon

The God of War Ragnarok ending and secret scene explained

God of War Ragnarok: The Story Points to Remember Before Playing - CNET

God of War Ragnarok - What Happened to the Snake Atreus Saves?

God of War Ragnarök

How did Kratos make it to Midgard in God of War?

God of War Ragnarok Midgard artifacts, collectibles and Odin's Ravens - Polygon