Tetrastreamer (Water)

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Class Champion Weapons
[Class Champion Weapons]
Tetrastreamer
Can be uncapped to 4★Can be uncapped to 5★
Fire, water, earth, wind—these four elements coalesced to form the world as we know it. This rainbow-colored blade is capable of unlocking the secrets of creation, allowing the wielder to control them at will.
Charge Attack
Hidden Utopia Massive Water damage to a foe.
MC gains Reflective SealDeals elemental DMG to all foes at end of turn (Can't be removed)
Duration: 1.5 turnsApplied during the attack phase.
On the next turn, it'll have 1 turn remaining.. (Water damage to all foes at end of turn)
Weapon Skills
Tetra's Nature When main weapon (MC only): Add 1 random Magic Circle at end of turn
Tetra's Essence This is the essence of greatness. Gain its power by using emblems.
  Alternate skill 1: Use Emblem of Humanity to pick this skill:
Tetra's Humanity When main weapon: 10% Bonus Water Damage effect to allies whose elemental ATK is boosted.[1]
  Alternate skill 2: Use Emblem of Divinity to pick this skill:
Tetra's Divinity When main weapon: Boost to multiattack rate based on number of Magic Circles granted to MC (MC only)
  Alternate skill 3: Use Emblem of Devilry to pick this skill:
Tetra's Devilry When main weapon: 1-turn cut to skill cooldown (MC only)
Base Reduction Materials
Note: This is the amount you get for a 5★ uncapped weapon.
Weapon VersionsThis weapon has alternate versions.






5★ Class Champion Weapons


































Gameplay Notes

Tetra's Humanity

  • Does not stack with similar passive A-sided Bonus Damage effects. Only the highest effect takes precedence.
  • Elemental boostsFire ATK UpFire ATK is boosted

    Water ATK UpWater ATK is boosted

    Earth ATK UpEarth ATK is boosted

    Wind ATK UpWind ATK is boosted

    Light ATK UpLight ATK is boosted

    Dark ATK UpDark ATK is boosted
     of any element will activate the bonus elemental damage.
  • The bonus elemental damage uses the element of the affected ally regardless of the elemental boost's element.

Bonus DMG Stacking Information

  • The following is a curated list of how different Bonus DMG sources interact with Tetrastreamer (Water)'s skills. Check Bonus DMG for further information and a comprehensive list.
 Tetra's HumanityWhen main weapon: 10% Bonus Water Damage effect to allies whose elemental ATK is boosted. - Passive Side A
Bonus Damage Side Sources Stacking
Skill A
  • Cagliostro (Summer) -  Ars NovaArs Nova:
    All Water allies gain 70% / 30% Critical Hit Rate UpAttacks made with elemental superiority have a chance to deal boosted DMG
    Strength: 70% chance of dealing 30% more damage.Duration: 3 turns    , KeenSupplemental DMG to critical hits
    Strength: 1% of foe's max HP (Damage cap: 50,000)Duration: 3 turns    , and 1 Deluge CrestWater magic is amplified (Max: 5 / Can't be removed)
    Duration: Indefinite    .
    (When Cagliostro's Deluge CrestWater magic is amplified (Max: 5 / Can't be removed)
    Duration: Indefinite     is 5:
    Skill changes to Ars Notoria.)
    Ars Notoria:
    All Water allies gain 100% / 30% Critical Hit Rate UpAttacks made with elemental superiority have a chance to deal boosted DMG
    Strength: 100% chance of dealing 30% more damage.Duration: 3 turns    , KeenSupplemental DMG to critical hits
    Strength: 1% of foe's max HP (Damage cap: 50,000)Duration: 3 turns    , 50% Bonus Water DMGDeals bonus water DMG for one-foe one-ally attacks
    Strength: 50%Duration: 3 turns    , and 15% DMG Cap UpMaximum amount of DMG that can be dealt per hit is boosted
    Strength: 15%Duration: 3 turns    .
  • Jeanne d'Arc (Water Summer) -  ConfrontSacrifice 80% of caster's current HP.
    All Water allies gain JammedATK is greatly boosted based on how low HP is
    Strength: 30%-90%Duration: 5 turns    .
    (Based on DesireBased on lvl: Bonus Water DMG effect / DMG and DMG cap for normal attacks and counterattacks are boosted (Max: Lvl 5 / Can't be removed)
     lvl:     All Water allies also gain Bonus Water DMGDeals bonus water DMG for one-foe one-ally attacks
    Duration: 3 turns     and Water ATK UpWater ATK is boosted
    Duration: 3 turns    .)
  • Societte -  First Dance: KaguraRestore 30% of all allies' HP (Healing cap: 2000).
    All allies gain RevitalizeRecover HP each turn. Boost to charge bar if HP is full.
    Strength: 500 HP or 10% charge barDuration: 3 turns     and 10% Bonus Water DMGDeals bonus water DMG for one-foe one-ally attacks
    Strength: 10%Duration: 3 turns    .
    (When a foe uses a special attack:
    Consumes Yonagi RiteFirst Dance: Kagura activates when a foe uses a special attack (Can't be removed)
     to auto-activate.)
  • Tefnut (Summer) -  IstiraahahGain Convalescent DozeCan't normal attack / Sharp boost to dodge rate / Upon charge attack: Double Strike effect and Bonus Water DMG effect to the water ally in the next position / At end of turn: Tefeng Sayf activates (Can't be removed)
    Duration: 5 turns    .
 ✓
Skill B
  • Catura (Holiday) -  Honeyed WordsCaster and Water MC gain 40% Bonus Water DMGDeals bonus water DMG for one-foe one-ally attacks
    Strength: 40%Duration: 4 turns    .
    (From 2nd cast:
    Caster and Water MC also gain 100% / 30% ArmoredChance of lowering DMG taken
    Strength: 100% chance of taking 30% less damage.Duration: 4 turns    .
    From 3rd cast:
    Caster and Water MC also gain 100% Debuff Res. UpDebuff resistance is boosted
    Strength: 100%Duration: 4 turns    .)
 ✓
Skill C
  • Juliet (Water) -  Fulmine AzzurroAll Water allies gain 1 Deluge CrestWater magic is amplified (Max: 5 / Can't be removed)
    Duration: Indefinite    , Mirror Image (1 time)Next one-to-one attack received will be ineffective
    (Effect removed on next all-foe all-ally attack)
    Duration: Indefinite    , and 20% Bonus Water DMGDeals bonus water DMG for one-foe one-ally attacks (Ends upon taking DMG)
    Strength: 20%Duration: Indefinite    .
    (Bonus Water DMG effect ends upon taking damage.)
 ✓
Skill D ✓
Skill E ✓
Skill Unique
  • Gabriel -  Kitrino NimaAll Water allies gain 70% Fire CutFire DMG is cut 70%
    Duration: 2 turnsFire Damage Cut.     and Glacies WardBonus Water DMG effect / Cap fire DMG taken at 10,000 per hit / DEF and triple attack rate are boosted (Can't be removed / Ends upon taking DMG 3 times)
    Duration: Indefinite    .
    (Glacies Ward ends upon taking damage 3 times.)
 ✓
Self Element A
  • MC skills that grant Bonus DMGDeals bonus DMG for one-foe one-ally attacks
  • Ullikummi -  Vogue Hymn IIWhen main weapon (MC only): 1-turn cooldown cut to all skills with over 5-turn cooldown.
    All allies gain 30% Bonus DMGDeals bonus DMG for one-foe one-ally attacks
    Strength: 30%Duration: 3 turns     and a random buff when using first ability.
 ✓
Self Element D ✓
Superior Element A
  • Anila (Yukata) -  The Big Summer Stage!Normal attacks deal 2-hit damage to random foes.
    At end of turn when allies deal damage 20 or more times to the current target in 1 turn:
    All allies gain 10% Bonus Superior Elemental DMGDeals bonus superior element DMG for one-foe one-ally attacks
    Strength: 10%Duration: 1 turn     .
    Raise Anila's Ewe-phoriaGains effects in order based on Ewe-phoria lvl: Deal multiattacks / Boost to ATK / Amplify normal attack DMG / Boost to DMG cap / Buffs can't be removed (Max: 5 / Can't be removed)
    Duration: Indefinite     lvl by 1 (Max: 5).
  • Korwa (Water) -  Cloche NuptialeGrant a Water ally C'est BelleWater ATK is boosted (Can't be removed)
    Strength: 50%Duration: IndefiniteStacking: Special Buff    , Piercing SightElemental DMG dealt will be treated as superior to the target's element
    Duration: 3 turns    , 15% DMG Cap UpMaximum amount of DMG that can be dealt per hit is boosted
    Strength: 15%Duration: 3 turns    , and 20% Bonus Superior Elemental DMGDeals bonus superior element DMG for one-foe one-ally attacks
    Strength: 20%Duration: 3 turns    .
    (Consumes 3 FilMagically infused thread. Consumed upon using Korwa's skills (Can't be removed)
    .)
 ✓
Superior Element B ✓
Superior Ele. Unique ✓
Charge Attack ✓
Summon
  •  CharybdisAbysmal Waters 500% Water damage to all foes (Damage cap: ~630,000).
    All Water allies gain 20% Bonus Water DMGDeals bonus water DMG for one-foe one-ally attacks
    Strength: 20%Duration: 1 turn     , 40% DA UpDouble attack rate is boosted
    Strength: 40%Duration: 1 turn     , and 20% TA UpTriple attack rate is boosted
    Strength: 20%Duration: 1 turn     .
  •  Frost Lord's ArmyRelentless Advance Massive Water damage to all foes.
    All Water allies gain 10% Bonus Water DMGDeals bonus water DMG for one-foe one-ally attacks
    Strength: 10%Duration: 2 turns     for 2 turns.
 ✓
Self Element Summon
  •  Belial (Summer)Hotter than the Sun 400% Elemental damage to all foes (Damage cap: ~1,120,000).
    All allies gain 3 random buffs.
    MC gains Cunning CharmLands the following on all allies in 3 turn(s): Charm effect / Sharp hit to DEF / Debuff Resistance Lowered effect (Can't be removed)
    Duration: 3 turns    . (Inflict CharmedAttacks are slightly limited (Can't be removed)
    Duration: 3 turns    , 70% Sharp DEF DownDEF is sharply lowered (Can't be removed)
    Strength: 70%Duration: 3 turns    , and 100% Debuff Res. DownDebuff resistance is lowered (Can't be removed)
    Strength: 100%Duration: 3 turns     on all allies when duration ends.)
 ✓
Passive A
  • Damascus Knife -  Elemental Hunt10% Bonus elemental DMG effect to weapon elementi.e., the same element as the weapon. allies against foes with BountyItem drop rate is boosted
    .
  • Sky Piercer -  Elemental Blow20% Bonus weapon elementi.e., the same element as the weapon. DMG effect to third hit of elemental allies' triple attacks.
  • Maria Theresa -  The Empress UprightWhen Switching to Main Ally:
    All Water allies gain Righteous IndignationBoost to DMG dealt against foes with Unrighteousness effect / Deals bonus water DMG for one-foe attacks against foes with Unrighteousness effect (Can't be removed)
    Strength: 20% ATK Up / 20% Bonus Water DMGMultiplier: PerpetuityDuration: Indefinite    .
    (Can't be reactivated.)
    At level 95:
    Set Water allies' HP to full and remove all debuffs.
    All Water allies also gain Devotion to JusticeCritical hit rate, DEF, multiattack rate, and DMG cap are boosted (Can't be removed)
    Duration: 5 turns    .
    (Can't be reactivated.)
  • Hraesvelgr -  EinarWhen main weapon:
    80% Bonus Water DMG effect to Water allies' single attacks.
 ✖
Passive B
  • Zeta (Water) -  Arvess ResonanceGuaranteed triple attacks.
    20% hit to charge bar gain.
    10% Bonus Water DMG effect to Water allies' triple attacks.
 ✓
Passive Unique ✓

References

  1. ↑ Gamewith Tetrastreamer https://グランブルーファンタジー.gamewith.jp/article/show/121599
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