Here is the God Of War Ragnarök Odin’s Raven Locations: Helheim guide where we will help you find and destroy the 2 Ravens residing in the realm of the dead.
Both of the Ravens in Helheim can be removed as you work through the story or you can back later in the game, the choice is yours.
You will need to take out every one of Odin’s Ravens throughout the game in order to be able to access 1 of the Hilts required for Collector .
Destroying a Raven will require you to get close to it then throw your Axe through the Raven removing it from the realm. All Ravens can be tracked on your World Overview.
Here is where you can find and destroy both Ravens in Helheim:
Odin's Raven 1
As soon as Kratos lands in Helheim go forward before clearing the rock on the wall you will see the Raven flying around above you.
Line up a throw with your Axe and destroy the Raven.
Odin's Raven 2
Helheim, Shipyard of the Fallen.
After fighting and calming Garm, head back around towards the Mystic Gateway opening the gate by rotating the cog 180 degrees, place a Runic Sigil then spin the wheel moving the Sigil up to the higher level.
Place another Sigil on the lower section of the cog and throw the Axe in to the lower Sigil causing a chain reaction freezing the mechanism allowing you to go through.
As soon as you’re through the gate, look up to find the Raven sitting on a block. Remove it with your Axe or Spear.