A Glimpse Into His Past (S01E21)

S01E01 The Descent of the Heavenly God S01E02 Reunion S01E03 Returns To Human Form S01E04 Ambiguous Relationship S01E05 Uncontrollable Outburst S01E06 Forever and Ever S01E07 Holding Back Dissatisfaction S01E08 Seriously Wounded S01E09 Strenghtening the Seal S01E10 Obsession S01E11 Accepting the Marriage Alliance S01E12 Guarding Silently S01E14 Won't Dwell on the Past S01E15 Repeating Destiny S01E16 Confession S01E17 Communicating Feelings S01E18 Departure S01E19 That Tune S01E20 Getting in the Way S01E21 A Glimpse Into His Past S01E22 Leading Troops into Battle S01E23 Perish Together S01E24 The Will of Heaven