How to farm Sonata Effects in Wuthering Waves 2.6

Wuthering Waves update 2.6 introduces two powerful Sonata Effects: Law of Harmony and Crown of Valor, tailored for the new five-star characters Augusta and Iuno. Crown of Valor boosts ATK and Crit DMG for shield-based characters, while Law of Harmony enhances Echo skill damage for the team. Farming these sets in challenging Nightmare Nests is crucial for maximizing combat efficiency.