Guide
Knowledge
Main Knowledge categories
Upgrading main Knowledge
Secret Knowledge categories
Upgrading secret Knowledge

Secret Knowledge categories

Secret Knowledge becomes available for upgrade only after reaching Oracle level 31. It is divided into three categories:

  • Attack — substantially improves your troops' stats during attacks.

  • Defense — substantially improves your troops' stats during defense.

  • Fortresses — substantially improves your troops' stats during battles for Fortresses.

Related materials

Special items