Scale Reference - 1
Scale Reference - 2
Substance Designer Materials
Endless Space 2 - Penumbra Prologue
From the Endless Space 2 Penumbra DLC new faction : The Umbral Choir.
Made with Blender, renders are made with EEVEE for the textured versions and Cycle for the Clay ones.
Concept by Sorane Mathieu: https://www.artstation.com/soranemathieu