Angel statue granting Random Options to Cursed Knight's Shield.
If the curse is removed with a low chance, you can get Bloody Knight's Shield.
There is a story that you can obtain a shield with tremendous power that is completely purified with an extremely rare probability??

When used, grants 2 Random Options to Cursed Knight's Shield.
Caution! - When Random Options are granted, refine level and card slots of Cursed Knight's Shield are reset. In addition, there is a low chance that the Cursed Knight's Shield can be transformed into Bloody Knight's Shield or Purified Knight's Shield.