User blog comment:LYSSI12346/Tsubasa Good or Evil/@comment-4086870-20110815004729/@comment-4086870-20110817034751

Yes, Tsubasa figures it out in Dark Aquila what the dark force is doing to him and what Ryuga meant by not fighting it. Now that you mention it, I forgot about how Ryuga is in a coma when he is introduced and Doji mentions that Ryuga figured out how to use other people's negative energy instead of his.