User blog comment:G-rios27/Alicization Dividing preview/@comment-6697950-20130610075558

I doubt that he is Eugeo. A Synthesis Ritual takes days to perform, so unless Kirito got seriously distracted along the way, that may be Bercouli (in which case, my premonition about him having family ties with Eugeo might prove to be true) or just another Integrity Knight.