Prompt: Write a short story about a man who discovers a magical portal

Stanley discovered a magical portal while hiking in the woods. Upon entering, he found himself in a fantastical land full of magical creatures. He was able to talk to the creatures and learn about their history. After exploring the land for a while, Stanley found a portal that led to a different part of the forest. He ventured through and discovered a hidden valley. There, he found a wondrous tree with magical fruit. After eating the fruit, Stanley was able to Transform into an eagle and fly away.