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How to achieve the hidden achievement "Retaliation's Counterattack, Faint Thunder" (Defeat Boss Echo)
✅ How to achieve the hidden achievement 「Retaliatory Counterattack, Faint Thunder」
- To the bossDeliver the final blow with the same boss echoto defeat them (e.g., defeat Hellfire Knight with Hellfire Knight Echo)
✅Achievement Reward (70 Astral Echoes)
-「Retaliatory Counterattack」: 10 Astral Echoes (50 Astral Echoes upon achieving all)
-「Faint Thunder」: 20 Astral Echoes
✅Bosses for Achievement
「Retaliatory Counterattack」: Hellfire Knight, Bell-Striking Turtle, Crownless, Thundercloud Scale, Lamenting Aix
「Faint Thunder」: Thunder Scale