Cast Echo Skill to deal 16 instances of Physical DMG equal to 6.84% of ATK to enemies within range. When Lucy or Rebecca has this Echo equipped in the main slot, their Crit. Rate is increased by 15% and they unlock special Echo Skills. If equipped by Lucy: Press the Echo Skill button to deal Spectro DMG equal to 182.40% of ATK to nearby enemies. Hold the Echo Skill button to deal Spectro DMG equal to 182.40% of ATK to nearby enemies and enter a special moving state, increasing Lucy's movement speed while slowing nearby enemies. If equipped by Rebecca: Cast Echo Skill to fire missiles, dealing 16 instances of Electro DMG equal to 11.40% of ATK to enemies.