Trial:EX4

Rewards

 * Infidelity Orb
 * 3,000,000 Zel
 * 90,000 EXP
 * 1 Gem

Preparation
You may use up to 3 squads and 1 item set for this battle. Each of the squads must have unique units in them and you are allowed up to double your total cost. You can select a different friend from your entire friends list for each squad that you can bring in. There is no cooldown when using a friend to fight Eriole and Tesla. Your items do not get replenished when a team dies, so bring as many healing items, elemental seals, BB gauge support items, Revive items, and status cure items.

Recommended Leaders: Recommended Units:
 * Neptunian Tridon - 40% boost to HP, 50% boost to Rec, 20% boost to critical hit rate & 10% reduction in damage taken
 * Twilight God Grahdens - 35% boost to all stats & reduces damage done by Light and Dark attacks by 15%
 * Obsidian Seraph Zenia - 80% boost to Atk, 150% boost to BB Atk & fills BB gauge on Spark
 * BC fill when attacked (Oguro, Lilly Matah, Orna, etc.)
 * Damage reduction (Magnazorda, Zerafalgar)
 * HP boost (Tridon, Grahdens, Colt, Owen, etc.)
 * BC/HC boost (Griel, Feeva, Zelnite, Semira etc.)
 * Boosts BB gauge on Spark (Rosetta, Raaga, Zenia, Rhoa,Chrome)
 * Units with at least 10,500 HP (including LS/Sphere boosts)
 * A mitigation unit to lower incoming damage:
 * Leviathan Sage Elimo - Acts as healer, mitigator and status cleanser. ES ensures almost consistent BB usage.
 * Flora Aegis Edea - Adds statuses to attack which can help against certain enemies. Can cleanse status ailments even without Lafdranya.
 * Ice Bastion Zeldeus - Greatly boosts DEF on his SBB, good leader skill, and high DEF status, 1-hit AoE BB/SBB that can provide BB Atk buff on ES
 * Grave Carver Aaron - Boosts DEF on SBB, boosts BB gauge with BB/SBB
 * Mad Heretic Gaiza - Boosts DEF relitive to ATK and boost ATK relitive to DEF. Also boosts BB ATK on SBB
 * Heavenly Claymore Dolk-Boosts HC BC drop 30%, negates Atk, Def, Rec reduction for 1 turn &boosts Def relative to Atk for 3 turns
 * A unit to help with BB fill:
 * Thunderbird Sabre Diana - Boosts BB gauge when attacked, fills BB gauge each turn & BC and HC drop rate buff.
 * Tidal Nacre Medina - Increases allies' BB gauges with BB/SBB, boosts BB gauge when attacked
 * Cataclysm Empress Feeva - High hit count BB/SBB, provides BC/HC drop rate boost
 * Demonic Idol Kikuri - Boost BB gauge when attacked buff on SBB. High BC drop on Normal attack and SBB.
 * Temptress Xie'Jing - Massive SBB damage, have a DoT debuff on SBB and BB gauge fill when attacked buff on SBB.
 * Valkyrie Archangel Griel - Negates all status ailments, also boosts HP, provides BC/HC drop rate boost, chance to reduce Atk for SBB.
 * Inferno Rifle Bestie - Very excellent as a lead, boosts BB gauge fill rate, BB gauge per turn & when attacked
 * Emerald Radiance Libera - Boosts BC/HC drop rate, and boosts BB gauge when attacked on SBB. Also has REC -> ATK conversion buff
 * Obsidian Seraph Zenia - Excellent as a lead, boosts BB gauge on BB & deals huge damage. Boosts normal hit count on UBB
 * Imperator Zedus - Bestows Crit, Crit Damage Buff, Spark Buff, as well as inflicts Atk Down at high rate.
 * Units for dealing damage:
 * Gaia Sennin Oguro - Very powerful infinite SBB attack with ATK buff to self, and good Extra Skill.
 * Grand Malediction Yuura - Very powerful infinite SBB attack with Damage over Time effect, and good Extra Skill.
 * Herculean Ultor - Massive damage on BB and SBB, applies DoT buff on BB, boosts Atk on SBB & can divert all single target attacks to self with Taunt
 * Obsidian Seraph Zenia - Same as above
 * Hellion Armor Reis - Great as a lead, boosts critical hit damage on LS, ES and SBB. Fills BB gauge when landing a critical hit
 * Roaring Staff Rhoa - Great as lead, adds Thunder and Earth element to attack, provides Defense Ignore effect with BB/SBB via Extra Skill
 * Sanguine Hood Ciara - Attack buff, high damage SBB and BB, adds fire, water, earth, and thunder to attack.
 * Unit that can heal and prevent status ailment (due to status reflect)
 * Magnum Opus Rigness - Cures status ailments, stat debuffs and Heals HP, has a multi-elemental SBB attack
 * Heavenly Emperor Kanon - Very good as sub Unit or Leader, can cure stat debuffs and boosts DEF, with 3-turn 50% mitigation through UBB
 * Galactic Treasure Ivris - Can provide Angel Idol buff to 2 random allies through UBB, provides Angel Idol to self at low HP through Extra Skill.
 * Resplendent Queen Rinon - Recovers HP, cure and negate Status Aliment on BB / SBB , can add Light & Dark elemental to Attack for 3 turns on BB / SBB
 * Gaia Tree Vertri - Recovers HP, cures and negates Status Ailments and Stat Debuffs on BB/SBB, boosts BB gauge and BB gauge fill rate on BB/SBB and provides 50% chance of applying Angel Idol buff to all allies through UBB
 * Ruinous Andaria - Can inflict paralysis on BB, cure and prevent status ailments, add Ares Buff, BB regen, and BB when attacked.
 * Pumleficient Semira - Inflict paralysis and poison on BB/SBB, as well as cure and prevent status ailments.
 * Unit that can paralyze/poison (to deal with Tesla)
 * Ruinous Andaria - Same as above
 * Pumleficent Semira - Same as above
 * Sinister Basilisk Kafka
 * Taunt (not recommended since enemies on Room 1 use mostly Single target attacks)
 * Herculean Ultor - Same as above

Eriole
-2,000,000 HP
 * Has BC/HC resist
 * Imperial Guard -
 * If above 50% HP, weak damage reflect for 1 turn
 * If below 50% HP, strong damage reflect for 1 turn
 * Soul Desperado - 6 combo Light attack on all enemies
 * Eternal Loss - 13 combo powerful Light attack on all enemies & gradually recovers HP for 3 turns
 * At < 80% HP
 * Royal Enchantment - Adds normal hit count and reduce damage taken
 * At < 70% & 50% HP
 * Valiant Thrust - Massive AoE attack which reduces all enemies' HP to 1
 * At < 40%, 30%, 20% & 10% HP
 * Heroic Anthem - Massive single target attack. Mitigation is recommended.

Blind Justice Tesla
-3,000,000 HP
 * Suspectible to Paralysis and Poison (Still summons Eriole at 90% even when paralyzed)
 * Has BC/HC resist
 * Resistance against BB Atk
 * Force Distortion - Adds two random element barriers to all allies. Used every turn.
 * Aqua Slide - Single target attack
 * Aqua Fort - Greatly recovers HP for all allies & reduces damage taken by half for 1 turn
 * Liber Astaria - 18 combo powerful Water attack on all enemies & greatly boosts one's own Spark damage and critical rate for 3 turns
 * At < 90% HP
 * Summons Winged Lord Eriole to battle
 * At < 60% HP OR when Winged Lord Eriole has < 77% HP
 * Depletion Slide - AoE attack
 * Rage of the Past - Massive AoE attack that inflicts BB ATK down to all enemies for 3 turns
 * UBB mitigation or UBB shield (Gazia or Tridon) is highly recommended
 * At <40% HP
 * Drains enemy BB gauges by 100%.
 * At < 30% HP
 * Buffs Angel Idol on all allies that revives with 10% HP
 * Revives at 0% HP

Winged Lord Eriole

 * Has 3,500,000 HP
 * Has BC/HC resist
 * Rouge Ambition - 18 combo powerful Light attack on all enemies & gradually recovers HP for 3 turns
 * Flame of the Wild - Single target attack, removes buffs
 * Evil Intent Judgement - 25 combo powerful Light attack on all foes, chance of reducing enemies' Atk and Def for 1 turn & boosts all allies' Atk and Def for 3 turns
 * At < 10% HP
 * Cataclysmic End - Massive AoE attack that removes buffs
 * Happens again after Eriole revives
 * Can be cancelled by nuking Eriole from >10% to 0%, so the move is not cast on revival