Alistar had fallen, he betrayed the trust of everyone he knew. He helped a demon on earth escape punishment. No one was happy when they figured it out. So, he was kicked, sworn to roam earth forever without his precious gardens, for he was the gardener of Heaven. 

After being forced out of his home, he barely did anything but sit and weep in the forests of the world. Traveling often, so not to be discovered by any human or other creature. To his surprise though, when one day he was attacked by a bear, did he notice that he still had his wings and powers of light magic. Overjoyed at the fact, he decided to stop at a pub in the nearest town to celebrate, being careful to disguise himself.