These crystals would be attached to special enemies named Viles in clusters that are weak points. These assets were a real group effort to get to their final presentation. Big thanks to the Technical Art team for creating this bespoke crystal shader made just for these assets.
Prototype meshes and cluster arrangements by Damian Kim: https://www.artstation.com/damian3d
Concept by Elizabeth Cope: https://www.artstation.com/awanakone