The high-poly model is too heavy for games. In this crucial module, you learn to build a new "skin" over the sculpture. Using Blender’s tools (like the Poly Build tool or BSurface addon), you create a clean, low-poly mesh that flows perfectly for animation and game performance.
Briefly sketch primary forms and where emissive elements (glows) will live. Blender and Substance Painter - Game Asset Creation - Udemy