oak tree 3d model

Massive medieval fantasy oak tree with thick twisted trunk, exposed roots, broad rounded canopy, dense green leaves, rugged bark with deep cracks, moss patches, a few vines and broken branches. Natural asymmetrical shape with a clean readable silhouette. Isolated single object on a pure white background with generous empty space around the tree. No ground, rocks, grass or shadows. Realistic PBR bark and foliage materials. Designed for conversion into a clean low-poly game-ready GLB for a mobile RTS. Make the leaves a lot more dense and realistic. I want the leaves to be the main feature of the tree.