An example of character animation created by N-iX Game & VR Studio using a combination of Mocap and Keyframe.
Viking model used:
https://www.turbosquid.com/ru/3d-models/viking-character-pbr-rigged-3d-model-1193041
Environment used:
https://www.unrealengine.com/marketplace/en-US/product/redwood-forest-collection