Olivia/Strategy

Strengths

•  Sterling Sea500% Dark damage to all foes (Damage cap: ~830,000).
  Inflict 100% DA DownDouble attack rate is lowered
  Strength: 100%Base Accuracy: 100%Duration: 180 seconds, 100% TA DownTriple attack rate is lowered
  Strength: 100%Base Accuracy: 100%Duration: 180 seconds and Twilight TerrorCharge diamonds don't fill up / Can't use special attacks
  Base Accuracy: 90%Duration: 2 turnsLocal status effect.
  At level 55:
  Effect enhanced. inflicts Twilight TerrorCharge diamonds don't fill up / Can't use special attacks
  Local status effect, a potent debuff that prevents bosses from using their charge attacks or filling their charge diamonds. The multiattack debuff from this skill is raidwide, meaning everyone in the raid will benefit from it.
• Grows stronger over time with her support skill  A New Dusk Shall DawnReduced Light DEF based on number of turns passed (3% per turn; Max: 30%).
  Bonus Dark DMG effect based on number of turns passed (3% per turn; Max: 30%)..
• Potent attacker thanks to the host of buffs granted by Fallen WingsTriple attack rate, critical hit rate, debuff success rate, and DMG cap are boosted / Bonus Dark DMG effect (Can't be removed / Ends upon taking DMG 3 times)
  .
  • C.A. effect grants Soul BladesNext Peccatum Mortale activates twice
    , which causes the skill—including its DelayReduce a foe's charge diamonds by 1
    effect—to activate twice.
• C.A. effect also grants herself 30% Dark ATK UpDark ATK is boosted
  Strength: 30%Duration: 3.5 turnsApplied during the attack phase.
  On the next turn, it'll have 3 turns remaining. for  Fallen AngelWhen Olivia is affected by Dark ATK UpDark ATK is boosted
  : AmplifySeraphic modifier normal attack damage by 30%..

Weaknesses

• Fragility -  A New Dusk Shall DawnReduced Light DEF based on number of turns passed (3% per turn; Max: 30%).
  Bonus Dark DMG effect based on number of turns passed (3% per turn; Max: 30%). makes her weaker against Light foes the longer a battle lasts.
• Twilight TerrorCharge diamonds don't fill up / Can't use special attacks
  Local status effect is a local status effect.
• Fallen WingsTriple attack rate, critical hit rate, debuff success rate, and DMG cap are boosted / Bonus Dark DMG effect (Can't be removed / Ends upon taking DMG 3 times)
  can be difficult to maintain in content with all-ally attacks.
• Can't prevent enemy charge attacks that ignore ParalyzedCan't attack
  .

Classes

• Monk is able to boost MC's hostility with  Unyielding Form300% elemental damage to all foes (Damage cap: ~630,000).
  Gain Full Hostility100% chance to be targeted by one-ally attacks
  Duration: 2 turnsFull hostility has the same properties as Substitute, but has lower targeting priority than Substitute, 100% DEF UpDEF is boosted
  Strength: 100%Duration: 2 turns, and 100% Debuff Res. UpDebuff resistance is boosted
  Strength: 100%Duration: 2 turns., which can help boost Olivia's survivability and damage.
• Lumberjack is able to provide a helpful defense buff with  Leaf BurningGain Leaf BurningEvery turn while in effect: All allies' ATK and DEF are boosted (Stackable) / Charge bar is boosted (Can't be removed / Ends when endurance hits 0)
  Duration: Indefinite and a 4000-damage shield effect.
  (Every turn during Leaf Burning: All allies gain 4% ATK Up (Stackable / Max: 20%)ATK is boosted while active (Stackable)
  Strength: 4% (Max: 20%)Multiplier: Unique StackableDuration: IndefiniteStacking: Teamwide, 4% DEF Up (Stackable / Max: 20%)DEF is boosted while active (Stackable)
  Strength: 4% (Max: 20%)Duration: Indefinite, and Charge Bar +10%Instantly boosts Charge Bar by 10%
  Strength: 10%.
  Leaf Burning ends when shield effect ends.), which slightly offsets Olivia's decreased light defense from  A New Dusk Shall DawnReduced Light DEF based on number of turns passed (3% per turn; Max: 30%).
  Bonus Dark DMG effect based on number of turns passed (3% per turn; Max: 30%)..

Characters

• Vikala can redirect a significant portion of incoming enemy damage to herself using her  Queen of RatsWhen the field effect UtopiaFoes' ATK is boosted / All allies' hype is boosted before attacking
  Field effect
  Local status effect is active:
  Guaranteed triple attacks.
  Boost to hostility.
  50% boost to dodge rate.
  All allies gain HypeATK is boosted
  Duration: 1.5 turnsApplied during the attack phase.
  On the next turn, it'll have 1 turn remaining. upon Vikala's charge attack., helping Olivia preserve her stacks of Fallen WingsTriple attack rate, critical hit rate, debuff success rate, and DMG cap are boosted / Bonus Dark DMG effect (Can't be removed / Ends upon taking DMG 3 times)
  . In addition, her unique Fantasy FestivalCharge bar gain, C.A. specs, and dodge rate are boosted (Can't be removed / Ends upon taking DMG 2 times)
  helps Olivia to evade damage and use her charge attack more frequently, giving her greater uptime on her personal dark attack buff.

• Seox possesses a way to redirect enemy hostility to himself using  ThunderflashGain Full Hostility100% chance to be targeted by one-ally attacks
  Duration: 1 turn Full hostility has the same properties as Substitute, but has lower targeting priority than Substitute and Counters on Dodge (3 times)Dodge and counter one-ally attacks
  Strength: 500%Duration: 1 turn Counter attacks grant 5% charge bar per hit..
  At level 85:
  Counter upgraded to Counters on Dodge/DMG (6 times)Counters upon dodging one-ally attacks or taking DMG
  Strength: 500%Duration: 3 turnsCounter attacks grant 5% charge bar per hit.., helping Olivia maintain her stacks of Fallen WingsTriple attack rate, critical hit rate, debuff success rate, and DMG cap are boosted / Bonus Dark DMG effect (Can't be removed / Ends upon taking DMG 3 times)
  . While they are both selfish attackers, between his  Gate of Demons600% Dark damage to all foes (Damage cap: ~700,000).
  Inflict PetrifiedStops enemy's charge diamonds from filling.
  Base Accuracy: 100%Duration: 3 turnsLocal status effect.
  At level 90:
  Also inflict Accuracy LoweredAttacks and special attacks have a chance to miss
  Base Accuracy: 100%Duration: 3 turnsLocal status effect. and Olivia's  Sterling Sea500% Dark damage to all foes (Damage cap: ~830,000).
  Inflict 100% DA DownDouble attack rate is lowered
  Strength: 100%Base Accuracy: 100%Duration: 180 seconds, 100% TA DownTriple attack rate is lowered
  Strength: 100%Base Accuracy: 100%Duration: 180 seconds and Twilight TerrorCharge diamonds don't fill up / Can't use special attacks
  Base Accuracy: 90%Duration: 2 turnsLocal status effect.
  At level 55:
  Effect enhanced. and  Peccatum Mortale900% Dark damage to all foes (Damage cap: ~1,000,000).
  Inflict DelayReduce a foe's charge diamonds by 1
  Base Accuracy: 100%. the enemy will have a very hard time using charge attacks against your party.

• Helel ben Shalem can assist in maintaining Fallen WingsTriple attack rate, critical hit rate, debuff success rate, and DMG cap are boosted / Bonus Dark DMG effect (Can't be removed / Ends upon taking DMG 3 times)
  by neutering the enemy's multiattack rate with  Los EndosInflict 50% ATK DownATK is lowered
  Strength: 50%Base Accuracy: 200%Duration: 6 turnsLocal status effect, 100% DA DownDouble attack rate is lowered
  Strength: 100%Base Accuracy: 200%Duration: 6 turnsLocal status effect, TA DownTriple attack rate is lowered
  Base Accuracy: 200%Duration: 6 turnsLocal status effect, 20% Special Attack DMG LoweredFoe's special attack DMG is lowered
  Strength: 20%Base Accuracy: 200%Duration: 6 turnsLocal status effect, and Accuracy LoweredAttacks and special attacks have a chance to miss
  Base Accuracy: 200%Duration: 6 turnsLocal status effect on all foes. and providing Olivia with Dodge AllTakes no DMG or debuffs while in effect
  with  Invisible TouchGrant an ally Shield (4000)Next ATK received will be ineffective for a fixed amount
  Strength: 4000Duration: Indefinite and Dodge All (1 time)Takes no DMG or debuffs while in effect for a set period
  Duration: Indefinite.. Her unique debuff, Dusky VerdictDEF is lowered / Debuff resistance is lowered (Can't be removed)
  Local status effect also lowers enemy debuff resistance, synergizing with the debuffs from  Sterling Sea500% Dark damage to all foes (Damage cap: ~830,000).
  Inflict 100% DA DownDouble attack rate is lowered
  Strength: 100%Base Accuracy: 100%Duration: 180 seconds, 100% TA DownTriple attack rate is lowered
  Strength: 100%Base Accuracy: 100%Duration: 180 seconds and Twilight TerrorCharge diamonds don't fill up / Can't use special attacks
  Base Accuracy: 90%Duration: 2 turnsLocal status effect.
  At level 55:
  Effect enhanced..

• Black Knight is able to directly substitute for all damage that would otherwise target Olivia with  Protector's SwordGain GuardianshipDEF, C.A. DMG, and DMG cap are boosted / ATK is greatly boosted based on how low HP is (Can't be removed)
  Strength: 100% DEF Up,
  30% C.A. DMG Up,
  20% DMG Cap Up,
  15%-45% ATK Up based on how low HP isMultiplier: UniqueDuration: 4 turns and Substitute (Select)Receives foe attack in place of an ally (Can't be removed)
  Duration: 4 turns. (Only substitutes for a selected ally.).

Summons

• Anubis: Call grants 30% Dark ATK UpDark ATK is boosted
  Strength: 30%Duration: 3 turns and 30% Light CutLight DMG is cut 30%
  Duration: 3 turnsLight Damage Cut. at base, which offsets her weakening DEF against Light foes and buffs her damage. Because the buff comes from a summon call, it will stack with Olivia's personal C.A. effect.