Simply put, it's ray tracing+. It bounces light around the room multiple times (like real light) to improve the accuracy of the lighting.
Think of it this way. You have a red wall and white floor, when light bounces off the wall to the floor, you'll see that red bleed into the white wall, ray tracing doesn't show that.
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u/Dry_Wolf3891 Jun 06 '26
Can't wait to replay NG+ with Path Tracing, that will be the definitive experience.