Cautions at Shrungeon Castle.
First, you must kill Lysandra of Yur and get evil element at dethmatchmode. If you talk to her,and say yes,your character who said yes constantly loses HP,and this situation cannot be treated at temple of town.
Second, To kill Demon Haleabus,you must use post-ritual mask to Haleabus at dethmathmode,and then you can harm Demon.
Third, After killing Demon,you must talk to DoSoto about Mavin or Blade or secret word.