Export PMX as FBX for Unity
- Convert to Blender (to embed textures into final FBX)
- Delete hierarchy of rigidbodies and joints
- Press little button next to the Translate (Global Translation Popup)
- Select Translate to English and Execute
- Press OK
- Path Mode
Copy& Embed Textures - Object Types=Armature&Mesh (Shift to select multiple)
credit: Rappa (Honkai: Star Rail)