Learn how to add a missing root bone to your humanoid avatar for Unreal Engine 5.1 in this comprehensive tutorial. Discover two effective methods for adding a root bone, essential for root motion retargeting: using Character Creator 4 for automatic addition or manually adding the bone in Maya. Follow step-by-step instructions to quickly implement this crucial feature for your 3D avatar, enhancing your 3D modeling, animation, and game development projects. Gain insights into troubleshooting common issues and explore additional resources for iClone 8, Character Creator 4, and various plugins to further expand your 3D creation capabilities.