Wooden Evolution: The Evil Overlord Turned Into A Tree

There lived a Malevolent Overlord. After his death, Gods raged over his misdeed. To punish him, they turned him into a tree. But the Devil, pleased with his misdeeds, gave him a system to escape God’s punishment. Meanwhile, the overlord bore hatred, as he felt being pawned by higher powers. Thus, the path of retribution began as he evolved from a tree to an even stronger tree. This novel is also published in RoyalRoad I don't own the cover: https://voidpapers.com/image/144872166706