You'll often witness 'part breaks' when attacking specific parts.
This is not just for show! 🤩
If you succeed in breaking a part, the opponent's stance will crumble, or
Significant additional damage and stagger will accumulate.
Excavator-type monsters are easy targets for this.
The 'Unknown Composite Erosion Entity' in Challenge Notorious can also have its parts broken.
▲ Successfully breaking a part will break their stance and accumulate additional damage and stagger.