Talk:List of Log Horizon Episodes/@comment-83.80.253.193-20150413233744

So the first 20 episodes from season two are based on Light Novels 6,7 and 8 with one chapter from LN9 and one episode (13) being based on a spinoff manga

What is episode 21-25 based on? Are they original Anime material or are they based on the rest of LN9?