When the Ancient Seal Explodes in Modern Times

The "time capsule" left by the ancients actually contains a world-destroying monster? Xu Erdan dreamed of being admitted to Delvin College and becoming a seal warrior who can exterminate monsters. He never expected to meet the noble holy witch in the last semester. The seal time is approaching, monsters are springing up like mushrooms after rain, and the national master of the old dynasty actually appears in the seal? . "The change of dynasty hides its secrets, Erdan, are you willing... To help me restore the glory of the old dynasty?"