After using Sacred Rite: Wolf's Swiftness, Cyno's Normal Attack SPD will be increased by 20% for 10s. If the Judication effect of his Passive Talent Featherfall Judgment is triggered during Secret Rite: Chasmic Soulfarer, the duration of this increase will be refreshed. You need to unlock the Passive Talent "Featherfall Judgment."
You fight a boss with 70% res to your damage and you can't use a fundamental mechanic of the fight ...