Gamewith's recommended EMP build for Danua (Summer).
Priorities
Prioritise Debuff Success Rate first to ensure AbgrundDark damage to all foes (Damage cap: ~460,000). Inflict 25% ATK DownATK is lowered Strength: 25%Base Accuracy: 90%Duration: 180 seconds. lands, followed by Critical. After this, Skill DMG CAP is a good option due to the short cooldown on Grim Reaper II400%-500% Dark damage to a foe (Damage cap: ~720,000). Inflict 10% DEF Down (Stackable / Max: 30%)DEF is lowered (Stackable) Strength: 10% (Max: 30%)Base Accuracy: 100%Duration: 180 seconds. Self-inflict Blood SacrificeHP is lowered every turn Strength: 10% of max HPDuration: 1 turn . At level 75: Damage increased to 400%-500%.. Her Extended Mastery Support Skill is also a good option.