The Lure of Echidna

Overview

 * Difficulty: 6★
 * Reference: Announcement
 * Release Date: 5/18/17,.

Battle Info
ADV=

The Lure of Echidna - ADV
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The Lure of Echidna - PRO
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Preemptive attack

 * Soul Siphon: Hybrid damage (2x) as MP drain (100%) to one enemy and inflict petrify (70%) to one enemy

Conditional attacks

 * Ecdysis: Cure all status ailments to caster
 * Used whenever it's inflicted with status ailments.
 * Flare: Magic damage (4x) to all enemies and inflict blind (80%) to all enemies
 * Used every 3 turns below 50% HP threshold.
 * Can be prevented by making it counter silence.
 * Tremor: Earth physical damage (4x) to all enemies and inflict paralyze (50%) to all enemies
 * Used every 3 turns below 50% HP threshold.
 * Can be prevented by making it counter blind.
 * Seduce: Inflict charm (100%) for 2 turns to one enemy
 * Reuse cooldown of 2 turns, excluding additional cast due to silence below 50% HP threshold.
 * Soul Siphon: Hybrid damage (2x) as MP drain (100%) to one enemy and inflict petrify (70%) to one enemy
 * Reuse cooldown of 5 turns, excluding additional cast due to blind below 50% HP threshold.

Spammable attacks

 * Up to 5 attacks per turn.
 * (Max 1/turn) Tornado: Wind magic damage (2x) to all enemies and inflict confuse (35%) to all enemies
 * (Max 1/turn) Toxic Claw: Physical damage (2.3x) to all enemies and inflict poison (30%) to all enemies
 * (Max 1/turn) Death Kiss: Inflict death (50%) to one enemy
 * (Max 1/turn) Reap Blood: Hybrid damage (2.5x) as HP drain (100%) to one enemy and inflict disease (80%) to one enemy
 * Normal attack

Strategy

 * Single target ailments/effects: Death, charm, petrify, disease, MP drain, HP drain.
 * AoE ailments/effects: Blind, confuse, paralyze, poison.


 * Use a unit capable of curing all ailments, like Ling, Terra, Rikku (with Rikku's Pouch), enhanced Luka, or Rem. You can also use  Tilith, or Cloud of Darkness, but their status cure doesn't include petrify. Make sure that this unit will not be disabled themselves by equipping status immunity equipment or materia. Ling has innate status immunity on all disabling ailments. Refia can also cure all ailments with her LB.
 * Consider using Maxwell, Zargabaath, or Mystea if owned, as Creator's Breath, Archadian Light, Clear Veil are effective at protecting against Echidna's status effect spams. While Archadian Light may not prevent poison, it does give an AoE 60% stat buff to Atk, Mag, Spr, and Def!
 * Charm is not a status ailment and the effect is similar to Stop. It can be removed with dispel or death. Dispelling your unit with Dispel spell requires Dualcast and re-targetting. Alternatively, use Bushido - Freedom or Fingersnap.
 * Even with a status healer, it's still recommended to nullify confuse on other units to not waste turns.
 * MP drain will be an issue if you don't have any MP sustain from auto-refresh or from other sources like Ace (enhanced), Roselia (enhanced), Noctis or Bartz. You can use items but it'll fail the "No items" mission.
 * If you are having a difficulty with the missions, challenge them several times, clearing different ones.
 * Use Provoke or Draw Attacks to attract death to a single unit. Consider getting Safety Bit or Genji Shield from Fat Chocobo, the former also has petrify immunity.
 * It'll waste 1 action using Ecdysis whenever it's inflicted with silence or blind. You can use this to effectively reduce its number of attacks from 5 to 4 per turn.
 * It'll cast either stronger abilities or ailment counter every 3 turns below 50% HP threshold:
 * If it's inflicted with silence, it will cast Soul Siphon or Toxic Claw instead.
 * If it's inflicted with blind, it will cast Soul Siphon or Tornado instead.
 * All of its damage abilities are hybrid attacks with different damage type (e.g. Hybrid-Physical or Hybrid-Magic). Their damage scale off ATK or MAG as usual, but they are all dodgeable. High evasion unit will benefit in this trial.