Just noticed Kratos's eyes glowing during Spartan Rage! : r/GodofWar

God of War Ragnarok: Full God of War Story Recap

Mimir, God of War Wiki

Does Kratos eyes glow?

God of War Ragnarok shows improvements in unexpected ways - Dexerto

Reunion - God of War Ragnarok Guide - IGN

Every time Kratos uses Spartan Rage to save himself or Atreus his enemy doesn't know what is happening. They are suprised about Kratos' ability : r/ GodofWar

What new rage moves would you guys want? : r/GodofWar

Kratos (Character) - Comic Vine

The god of war is preparing for ragnarok! : r/GodofWar

Spartan Rage, God of War Wiki

God of War PS4 preview: Hands-on with the spectacular first three hours - Polygon

Kratos' veins pop out and his muscles tense up when in rage mode : r/ GodofWar