How to Fix the Root Bone Scaling to 100% Issue When Importing Models from Blender to UE4
Reference: https://www.youtube.com/watch?v=YbWfoyf4MqI
https://dev.epicgames.com/community/learning/tutorials/1v8l/unreal-engine-how-to-fix-the-root-bone-scaling-to-100-issue-when-importing-models-from-blender-to-ue4