https://gamesartist.co.uk/withered-tree-vine/
3D Artist Xiao Ming breaks down the creation of a Withered Tree Vine, based on concept art by Zhu Weiwei. In this article, Xiao discusses references, sculpting, low-poly & baking, texturing, small branch creation using SpeedTree, final composition & rendering in Unreal Engine.
https://www.artstation.com/kfcvme50
https://www.artstation.com/artwork/dyAbqW