There are other
optional hidden bosses like the Valkyries that could scratch the itch for those looking to put their skills to the test and are a great example of the games addictive and rewarding side quests.
Not exact matches
There is plenty more to complete in God of War including
Hidden Chambers,
optional boss fights and upgrading Health with Idunn Apples or Rage with Horn of Blood Mead.
God of War Valkyrie locations: How to open
Hidden Chambers and locate all
optional end game
bosses
While the game can be completed simply by clearing all of the stages, it's worth seeking out gems
hidden (sometimes deviously so) throughout the game for a purpose we will stubbornly refuse to reveal here, and it's also worth taking on the
optional challenges that require you to handle specific situations,
bosses, and stages in a particular way.
One could spend hours upon hours exploring the world of Alrest, challenging
optional bosses, collecting rare BLADES (basically the game's Pokémon) and scouring every nook and cranny for
hidden treasures.