For feeling the same experience, I bring out the best similar pc games to God of War.
All the mentioned games have action combat style, open-world, bosses & character development similar to God of War.

Video version

1: Valheim

Explore the vast forests and mountains, and harvest more valuable materials to craft weapons, armor, viking strongholds and outposts in this completely open-world game.(Single player & Co-op with upto 10 players)

2: Nioh 2

You need to create your hero to start an adventure through a myriad of locales across Japan during the Sengoku period & Battle against hordes of yoka (demons).

Game is semi-open world, you can explore freely in selected region with area limitations. (Single player & co-op upto 3 players)

3: The Witcher 3: Wild Hunt

In The Witcher, you play as professional monster hunter “Geralt of Rivia” tasked with finding a child of prophecy in a vast open world rich with merchant cities, pirate islands, dangerous mountain passes, and forgotten caverns to explore.
Game is completely open-world. (Single-player only)

4: Horizon Zero Dawn

In this action-adventure open –world game you play as character “Aloy”. You explore the future earth which ruled by Machines. It’s story driven game with side-mission.
Game is completely open-world. (Single-player only)

5: Assassin’s Creed Valhalla

Game is completely open-world. you can also take side –quests/missions. (Single-player only)
Become a legendary Viking on a quest for glory. Raid your enemies, grow your settlement, and build your political power.

6: Hellblade

Set in a dark fantasy world inspired by Norse mythology and Celtic culture, the game follows “ Senua,” a Pict warrior who must make her way to Helheim(Hell) to save her lover from Hela. (Single-player only)
Game is semi-open world, you can explore freely in selected region with area limitations

7: Lord's of the Fallen

You will journey through mysterious, large interconnected environments, battling beastly, disfigured enemies, including bosses, using melee weapons, such as axes and hammers. (Single-player only)

8: Mortal Shell

Mortal Shell is a non-linear action game that finds you exploring a dark, terrifying underworld. (Single-player only)

9: Dark Souls 3

On of the most popular RPG set in the dark fantasy world. The game is semi-open world and provides both single-player & co-op upto 4 player game modes.

10: Code Vein

An action game with semi-open world and provide mainly two game modes: single-player & multi-player.

11: Ashen

The game is completely open-world. you can also take side –quests/missions with single-player & multi-player game modes.

12: Star War Jedi: Fallen Order

The game is semi-open world, you can explore freely in the selected regions with area limitations. It's a single-player game.

13: The Elder Scrolls V: Skyrim

The game is completely open-world. you can also take a side –quests/missions. It's a single-player game but you can also play with friends using Mods.