Board Thread:Lore Discussion/@comment-5894328-20140102184105/@comment-14027812-20140109200743

Unfortunately, Online is indeed canon, but it still contradicts lore. Take CHIM into account. They put onto Heimskr's dialogue that Cyrodiil was dense jungle prior to the arrival of Hjalti. Now, Online is set before Hjalti came in conquest, and Cyrodiil is plain Cyrodiil.