From Guild Wars 2 Wiki
Skritt Artifacts are items made by Skritt that are being collected by Crusader Aisling.“A forgetten
— In-game description
- Obtained by interacting with Skritt Artifacts which can be found laying on the ground near Challdar's Nest.
- Each one delivered to Crusader Aisling will provide 4% of total renown heart progress, so 25 will fully complete it.