My personal version for the High Priest of the Ancient Gods, fully rigged even every single tentacle, the rigging quality may vary depending on the software used, texture file is only for demonstration i recomend to create your own before use it.
BLEND (Blender, filesize: 205 MB), DAE (Collada, filesize: 91.3 MB), FBX (Autodesk FBX, filesize: 23.8 MB)