Hostility

Hostility is a game mechanic which determines the probability that a character is targeted by one-ally attacks in battle. All characters have the same base hostility, but this can be modified by status effects such as Hostility UpMore likely to be attacked
or Hostility DownLess likely to be attacked
. It can also be modified by support skills, EMPs, and weapon skills.

Hostility is ignored when an ally has SubstituteReceives foe attack in place of an ally
(Excludes all-foe all-ally attacks)
or a similar effect.

Hostility Formula

All characters have a base hostility value of 10. The formula to be targeted is the character's hostility value divided by the sum of all allies' hostility. Therefore, the chance that a character will be targeted with default hostility is:^[1]

10/(10 + 10 + 10 + 10) * 100% = 25%

A character's hostility value can't be reduced to 0.^[2] There is still a chance to be targeted even if hostility is reduced to the minimum.

Consider the scenario where one character has their hostility value boosted by 10. The chance that this character will be targeted is:

(10+10)/(10 + 10 + 10 + (10 + 10)) * 100% = 40%

Pseudo-hostility

Pseudo-hostility refers to an effect that takes priority over normal hostility mechanics. Although these effects can have the same status icons as normal hostility effects, they do not modify base hostility values. Thus, these do not affect skills that are based on hostility values (e.g. Nene's Nerves of SteelBoost to ATK based on how high hostility is.).

Full Hostility100% chance to be targeted by one-ally attacks
Full hostility has the same properties as Substitute, but has lower targeting priority than Substitute is mechanically identical to SubstituteReceives foe attack in place of an ally
(Excludes all-foe all-ally attacks)
, but with lower priority than an actual Substitute effect. The affected ally receives one-ally attacks and special attacks which conditionally targets specific allies (e.g. IblisTargets the ally with the highest HP. in Lucilius (Raid)).
- If there are multiple allies with this buff, the ally in the lowest position will have priority, similar to how multiple allies with SubstituteReceives foe attack in place of an ally
  (Excludes all-foe all-ally attacks)
  are handled.
An ally with Into HidingWon't be targeted by a foe's one-ally attack if there is another ally available to target
, ScurryLess likely to be attacked
, and similar effects will not be targeted by one-ally attacks if there is another ally with hostility available to target. Affected allies can still be targeted by attacks which conditionally targets specific allies.
- When all allies have an effect that prevents them from being targeted, the ally in the lowest position will have priority.
SubstituteReceives foe attack in place of an ally
(Excludes all-foe all-ally attacks)
and its derivative versions can also be considered pseudo-hostility.

Known Hostility Modifiers

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Ability	Hostility Up	Hostility Down
Assassin - Out of SightGain Hostility DownLess likely to be attacked Strength: -10. Target ally gains Hostility UpMore likely to be attacked Strength: +30.	30	-10
Ninja - NinjutsuBonus effects from seal combo. (Wind-Earth Seal)		0 (0% chance to be targeted)
Jamil - HideGrant an ally Hostility UpMore likely to be attacked Strength: +30Duration: 3 turns. Jamil gains Hostility DownLess likely to be attacked Strength: -10Duration: 3 turns.	30	-10
Baihu Fangstaff	20
Nene - I'm Watchin' You!Hey ugly! Looky here! (Nene gains Hostility UpMore likely to be attacked Duration: 3 turns. All other allies gain Hostility DownLess likely to be attacked Duration: 3 turns.)	10	-2
Nene - Did You Just See That!It wasn't me! I didn't hit you, honest! It was her! (Grant an ally Hostility UpMore likely to be attacked Duration: 3 turns. Nene gains Hostility DownLess likely to be attacked Duration: 3 turns.)		-10
Andira - Sage of EternityGrant an ally Shield (2500)Next ATK received will be ineffective for a fixed amount Strength: 2500Duration: 3 turns and Full Hostility100% chance to be targeted by one-ally attacks (Can't be removed) Duration: 1 turn Full hostility has the same properties as Substitute, but has lower targeting priority than Substitute. At level 75: Shield endurance increased to Shield (3500)Next ATK received will be ineffective for a fixed amount Strength: 3500Duration: 3 turns. At level 90: Shield endurance further increased to Shield (4000)Next ATK received will be ineffective for a fixed amount Strength: 4000Duration: Indefinite and now has indefinite duration. Also grants 30% Bonus Wind DMGDeals bonus wind DMG for one-foe one-ally attacks (Ends upon taking DMG) Strength: 30%Duration: Indefinite. (Bonus Wind DMG ends upon taking damage.)	0 (100% chance to be targeted)
Hostility Up (Small)	5
Hostility Up (Medium)	8
Hostility Up (Large)	10
Hostility Down (Small)		-3
Hostility Down (Medium)		-4
Hostility Down (Large)		-5
Razia - On Solid Ground	10
Zahlhamelina - Solar Deflection		-5
Societte (Fire) - Closing Dance: Tokiyomi-aratameGain Closing Dance: Tokiyomi-aratameFocusing on the dance and can't attack (Can't be removed) , 1 stack of Closing Dance: Tokiyomi-aratameFire allies' multiattack rate is boosted from the dance (Can't be removed) and begin dancing. Recast to stop dancing. While dancing: Can't deal one-foe attacks while dancing. Gain 1 stack of Closing Dance: Tokiyomi-aratameFire allies' multiattack rate is boosted from the dance (Can't be removed) after each turn (Max: 5). All Fire allies gain DA UpDouble attack rate is boosted Strength: VariesDuration: 0.5 turnsApplied during the attack phase. On the next turn, it'll have 0 turns remaining. and TA UpTriple attack rate is boosted Strength: VariesDuration: 0.5 turnsApplied during the attack phase. On the next turn, it'll have 0 turns remaining. when attacking. Buff effects increase based on stacks. On recast: Consume all Closing Dance: Tokiyomi-aratameFire allies' multiattack rate is boosted from the dance (Can't be removed) stacks and gain equal amount of Closing Dance: Tokiyomi-aratameFire allies' multiattack rate is boosted from the dance (Can't be removed) Duration: 1-4 turns stacks for up to 4 turns. All Fire allies gain DA UpDouble attack rate is boosted Strength: VariesDuration: 0.5 turnsApplied during the attack phase. On the next turn, it'll have 0 turns remaining. and TA UpTriple attack rate is boosted Strength: VariesDuration: 0.5 turnsApplied during the attack phase. On the next turn, it'll have 0 turns remaining. when attacking. (5 stacks)	100
Rosetta (Grand) - Elegant Rose BarrierDeploy a Rose BarrierRose Barrier is deployed (Max: 5 / Can't be removed) . (Consumes 30% of charge bar every turn. When recast, charge bar is below 30%, or Rose BarrierRose Barrier is deployed (Max: 5 / Can't be removed) 's lvl is 5: Releases Rose BarrierRose Barrier is deployed (Max: 5 / Can't be removed) and grants buffs to all allies.)	70
Anthuria - Dance of DeliriumGain 50% Dodge Rate UpChance to dodge DMG and debuffs Strength: 50%Duration: 3 turns, Hostility UpMore likely to be attacked Strength: +80Duration: 3 turns, and Dodge All (1 time)Takes no DMG or debuffs while in effect for a set period Duration: Indefinite.	70
Yngwie - Tough Guy mode	70
Rosamia (SSR) - Groundhold TalismanGain Guaranteed TAGuaranteed triple attack regardless of Triple Attack Lowered debuffs Duration: 5 turns, Supp. N.A. DMGNormal attack DMG dealt is supplemented Strength: 30,000Duration: 5 turns, and Full Hostility100% chance to be targeted by one-ally attacks (Can't be removed) Duration: 5 turnsFull hostility has the same properties as Substitute, but has lower targeting priority than Substitute.	50
Ayer - ProvokeYou want a shot at me? Go ahead! Take it! (Gain Hostility UpMore likely to be attacked (Can't be removed) Duration: 2 turns. Take a lethal hit without being knocked out if Ayer has 1% of his max HP or more.) At level 100: I swing my fists to protect others! (No longer gain Hostility UpMore likely to be attacked (Can't be removed) Duration: 2 turns. Gain SubstituteReceives foe attack in place of an ally (Excludes all-foe all-ally attacks) Duration: 2 turns and Undying (2 times)Can withstand lethal DMG (Leaves 1 HP / Can't be removed) Duration: Indefinite. When below 25% HP: Also gain Dauntless SpiritATK is sharply boosted by Dauntless Spirit (Can't be removed) Strength: 50%Multiplier: AssassinDuration: 1 turn .)	50
Aoidos - Bloody GardenGain 100% DA UpDouble attack rate is boosted Strength: 100%Duration: 6 turns, 35% TA UpTriple attack rate is boosted Strength: 35%Duration: 6 turns, 30% Charge Bar Gain UpCharge bar gain is boosted Strength: 30%Duration: 6 turns, and Hostility UpMore likely to be attacked Strength: +50Duration: 6 turns. At level 90: No longer gain Hostility UpMore likely to be attacked . Boost to TA UpTriple attack rate is boosted Duration: 6 turns's strength based on HypeATK is boosted lvl.	50
Spartan - GuardianGain DEF UpDEF is boosted Duration: 3 turns and Hostility UpMore likely to be attacked Strength: 50Duration: 3 turns. (Consumes 30% of charge bar.)	50
Therese (SSR) - CertamenGain DuelImmune to DMG and debuffs for a fixed amount while in effect / More likely to be attacked / Double attack rate is boosted (Can't be removed) Duration: 3 turns.	50
Zooey (Promo) - Spinning Slash450% Light damage to a foe (Damage cap: 630,000). Gain Hostility Up (Stackable)More likely to be attacked (Stackable) Duration: 7 turns. (Consumes 20% of charge bar.) Hidden Effect: +10 to Stun for 180 seconds. (When Stun reaches 100, inflict StunnedCan't attack Duration: 30 seconds on foe.) At level 55: Damage increased to 500%. (Max stacks)	50
Baotorda (SSR) - Valiant ShieldGain BulwarkReceives foe attack in place of an ally (Excludes all-foe all-ally attacks) / DEF is boosted (Can't be removed) Duration: 3 turns.	40
Sen (SSR) - Clawesome VigorGain Clawesome VigorATK, DEF, triple attack rate, critical hit rate, dodge rate, and hostility are boosted (Can't be removed / Ends upon taking DMG 2 times) Multiplier: PerpetuityDuration: Indefinite. (Ends upon taking damage 2 times.)	40
Veight - Noble BloodGain AwakeningATK, DEF, multiattack rate, critical hit rate, dodge rate, and hostility are boosted from awakening (Can't be removed / Ends upon taking DMG 2 times) Multiplier: PerpetuityDuration: Indefinite. (Ends upon taking damage 2 times.) At level 100: Also gain Shield (5000)Next ATK received will be ineffective for a fixed amount Strength: 5000Duration: Indefinite. AwakeningATK, DEF, multiattack rate, critical hit rate, dodge rate, and hostility are boosted from awakening (Can't be removed / Ends upon taking DMG 2 times) Multiplier: PerpetuityDuration: Indefinite upgraded to Awakening+ATK, DEF, multiattack rate, critical hit rate, dodge rate, and hostility are boosted from awakening (Can't be removed) Multiplier: PerpetuityDuration: Indefinite. (Effects increased and no longer ends upon taking damage. Can't recast.)	30
Anne - Follow the PrincessGain Tank-and-Counter (2 times)Counters upon taking DMG Strength: 250%Duration: 2 turnsCounter attacks grant 5% charge bar per hit. and Hostility UpMore likely to be attacked Strength: +20Duration: 2 turns. Instantly perform a normal attack without using up a turn.	20
Luchador - Knifehand StrikeGain Tank-and-Counter (3 times)Counters upon taking DMG Strength: 350% DMGDuration: 2 turnsCounter attacks grant 5% charge bar per hit., 30% DEF UpDEF is boosted Strength: 30%Duration: 2 turns, and Hostility UpMore likely to be attacked Strength: 20Duration: 2 turns. At level 30: Hostility UpMore likely to be attacked Strength: 20Duration: 2 turns upgraded to 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. Also gain JammedATK is greatly boosted based on how low HP is Strength: 30%-90%Duration: 2 turns.	20
Yuisis - No Surrender - No SurrenderSwitch to Heavensbane mode.	20
Yodarha - 0 Triple Shrouds	20
Marquiares - Earth, Wind, and Fire (Charge Attack)	20
Nectar - Shinsha's PrayerDuring Mana FlowDeals triple attacks / Bonus Wind DMG effect / Uplift effect / Hostility is boosted (Can't be removed) : Guaranteed triple attacks, 20% Bonus Wind DMG effect, 10% Uplift effect, and +20 boost to hostility.	20
Sword Master - Overpower	10
Agielba - Broad-Minded	10
Ghandagoza - SkybreakerInflict Solar CrownAttacks have a slight chance to miss Strength: 90%Base Accuracy: 90%Duration: 2 turnsLocal status effect on all foes. At level 90: Also deal 500% Fire damage to all foes (Damage cap: ~635,000). Also inflict GravityMax charge diamonds are increased Base Accuracy: 100%Duration: 180 seconds on all foes.	10
Yggdrasil - Grace of the Great Tree	10
Zooey (Promo) - Spinning Slash450% Light damage to a foe (Damage cap: 630,000). Gain Hostility Up (Stackable)More likely to be attacked (Stackable) Duration: 7 turns. (Consumes 20% of charge bar.) Hidden Effect: +10 to Stun for 180 seconds. (When Stun reaches 100, inflict StunnedCan't attack Duration: 30 seconds on foe.) At level 55: Damage increased to 500%. (1 stack)	10
Threo - Berserk Forge		-5
Yuisis - No Regrets - No SurrenderSwitch to Heavensbane mode.		-5
Izmir - Immutable FaithGain 30% Charge Bar Gain UpCharge bar gain is boosted Strength: 30%Duration: 3 turns and Hostility DownLess likely to be attacked Strength: -5Duration: 3 turns. At level 90: No longer gain 30% Charge Bar Gain UpCharge bar gain is boosted Strength: 30%Duration: 3 turns and Hostility DownLess likely to be attacked Strength: -5Duration: 3 turns. Gain Ice BarrierWhile deployed: DEF, multiattack rate, critical hit rate, and charge bar gain are boosted / Debuff immunity / Hostility is lowered (Can't be removed / Ends when endurance hits 0) Duration: Indefinite and a shield effect worth 3000. (Ice Barrier ends when shield endurance hits 0.)		-5