Threo/Strategy

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Overview

Threo is a member of the famed Eternals and earns her reputation with her highly destructive kit. She can hit very high numbers with her charge attacks very quickly and offers Quality of Life improvements with her  Ground ZeroConsumes 99% of caster's current HP to deal plain damage to all foes (Damage cap: ~820,000).
Damage dealt is based on HP consumed.
Gain Shield (3000)Next ATK received will be ineffective for a fixed amount
Strength: 3000Duration: Indefinite.
At level 95:
Also inflict 25% Earth DEF DownDEF is lowered for earth DMG
Strength: 25%Base Accuracy: ≥100%Duration: 180 seconds.
Damage cap increased to ~1,230,000.. Upon her final uncap, she becomes even more destructive.

Strengths

•  Ground ZeroConsumes 99% of caster's current HP to deal plain damage to all foes (Damage cap: ~820,000).
  Damage dealt is based on HP consumed.
  Gain Shield (3000)Next ATK received will be ineffective for a fixed amount
  Strength: 3000Duration: Indefinite.
  At level 95:
  Also inflict 25% Earth DEF DownDEF is lowered for earth DMG
  Strength: 25%Base Accuracy: ≥100%Duration: 180 seconds.
  Damage cap increased to ~1,230,000. is her most notable skill, as she can deal up to 820,000 in Plain Damage on turn 1 at the cost of 99% health.
  • This is almost enough to take out Hard/Hard+ Omega Raids, allowing players to quickly grind them every single day with a bit of assistance. It is also very useful in solo content
  • This skill enables enmity-based weapon grids, as it leaves her with 1% HP left.
• She has high self-sustain from  Vorpal RageEarth damage to a foe (Damage cap: ~630,000).
  Gain JammedATK is greatly boosted based on how low HP is
  Strength: 30%-90%Duration: 3 turns and DrainDamage dealt is partially absorbed to HP
  Strength: (Healing cap: 3333)Duration: 1 turn . while in Axe form, and  Berserk ForgeGain Counters on Dodge (3 times)Dodge and counter one-ally attacks
  Strength: 200%Duration: 3 turnsCounter attacks grant 5% charge bar per hit..
  At level 85:
  Counter buff upgraded to Counters on Dodge/DMG (3 times)Counters upon dodging one-ally attacks or taking DMG
  Strength: 200%Duration: 3 turnsCounter attacks grant 5% charge bar per hit..
  Also gain Guaranteed TAGuaranteed Triple Attack regardless of Triple Attack Lowered debuffs
  and Hostility UpMore likely to be attacked (Can't be removed)
  Strength: 100% chance to be targeted by foesDuration: 1 turn . can also help her dodge attacks as well. The ShieldNext ATK received will be ineffective for a fixed amount
  Strength: Up to 3000 damage.Duration: Indefinite from  Ground ZeroConsumes 99% of caster's current HP to deal plain damage to all foes (Damage cap: ~820,000).
  Damage dealt is based on HP consumed.
  Gain Shield (3000)Next ATK received will be ineffective for a fixed amount
  Strength: 3000Duration: Indefinite.
  At level 95:
  Also inflict 25% Earth DEF DownDEF is lowered for earth DMG
  Strength: 25%Base Accuracy: ≥100%Duration: 180 seconds.
  Damage cap increased to ~1,230,000. also allows her to survive hits that would otherwise knock her out.
• She can take advantage of built-in Enmity of her  Vorpal RageEarth damage to a foe (Damage cap: ~630,000).
  Gain JammedATK is greatly boosted based on how low HP is
  Strength: 30%-90%Duration: 3 turns and 30% DMG AmplifiedDMG for one-foe attacks and counterattacks is amplified
  Strength: 30%Duration: 1 turn . in Sword form, allowing her to fire a powerful charge attack that also has 999,999 bonus Plain Damage attached to it.

Weaknesses

• She is purely a selfish attacker, with no team support or utility.
• Being at low health from  Ground ZeroConsumes 99% of caster's current HP to deal plain damage to all foes (Damage cap: ~820,000).
  Damage dealt is based on HP consumed.
  Gain Shield (3000)Next ATK received will be ineffective for a fixed amount
  Strength: 3000Duration: Indefinite.
  At level 95:
  Also inflict 25% Earth DEF DownDEF is lowered for earth DMG
  Strength: 25%Base Accuracy: ≥100%Duration: 180 seconds.
  Damage cap increased to ~1,230,000. can sometimes lead to Threo being knocked out early if she's not protected.

Final Uncap

• She gains innate 20% increased damage against Water foes. A similar skill is shared across all the Eternal's final uncaps.
• Her CA gains enhanced effects depending on the current form. Axe form has Earth ATK UpEarth ATK is boosted
  , while Sword form deals an additional 999,999 in Plain Damage.
•  Ground ZeroConsumes 99% of caster's current HP to deal plain damage to all foes (Damage cap: ~820,000).
  Damage dealt is based on HP consumed.
  Gain Shield (3000)Next ATK received will be ineffective for a fixed amount
  Strength: 3000Duration: Indefinite.
  At level 95:
  Also inflict 25% Earth DEF DownDEF is lowered for earth DMG
  Strength: 25%Base Accuracy: ≥100%Duration: 180 seconds.
  Damage cap increased to ~1,230,000. gains 25% Earth DEF DownDEF is lowered for earth DMG
  Strength: 25%, giving her much needed utility.
  • Its damage cap is also increased to 1,230,000, allowing to now clear most Low Level Omega Raids immediately.
•  Three-Tiger's BlessingGain Instant ChargeInstantly sets Charge Bar to 100%
  Unaffected by Charge Bar Gain status effects.
  No effect when afflicted by Shorted debuffs or when Charge Bar is above 100%., AutoignitionCharge bar will be boosted to 100% at the end of the turn
  Duration: 3 turns, and Tiger's BlessingATK is boosted by Tiger's Blessing
  Strength: 280%Duration: 1 turn Also grants 100% C.A. DMG Cap Up. (Can't recast.) is unlocked at level 100 and provides a very potent effect after 10 turns. On the first turn she uses this skill, she gains a very high unique attack modifier and full charge bar. On the following 3 turns, she gains 100% charge bar allowing her to fire off 4 total charge attacks in succession. At the very least, she will send 3,999,996 Plain Damage if all charge attacks are used.

How to Play

Threo has two forms, Axe and Sword, which affect every part of her kit. She starts every battle in Axe form and switches to the other form every time she uses a charge attack. The different forms may make her seem like a complex character, but she's actually deceptively simple, as all she will simply want to be attacking as much as possible. The 4th party position is the most recommended, so she can use CA at as low as 70% charge bar.

In Axe form, she can use  Ground ZeroConsumes 99% of caster's current HP to deal plain damage to all foes (Damage cap: ~820,000).
Damage dealt is based on HP consumed.
Gain Shield (3000)Next ATK received will be ineffective for a fixed amount
Strength: 3000Duration: Indefinite.
At level 95:
Also inflict 25% Earth DEF DownDEF is lowered for earth DMG
Strength: 25%Base Accuracy: ≥100%Duration: 180 seconds.
Damage cap increased to ~1,230,000. and then recover the lost health over time with  Vorpal RageEarth damage to a foe (Damage cap: ~630,000).
Gain JammedATK is greatly boosted based on how low HP is
Strength: 30%-90%Duration: 3 turns and DrainDamage dealt is partially absorbed to HP
Strength: (Healing cap: 3333)Duration: 1 turn .. She can also use  Berserk ForgeGain Counters on Dodge (3 times)Dodge and counter one-ally attacks
Strength: 200%Duration: 3 turnsCounter attacks grant 5% charge bar per hit..
At level 85:
Counter buff upgraded to Counters on Dodge/DMG (3 times)Counters upon dodging one-ally attacks or taking DMG
Strength: 200%Duration: 3 turnsCounter attacks grant 5% charge bar per hit..
Also gain Guaranteed TAGuaranteed Triple Attack regardless of Triple Attack Lowered debuffs
and Hostility UpMore likely to be attacked (Can't be removed)
Strength: 100% chance to be targeted by foesDuration: 1 turn . to dodge attacks up to 3 times and live longer. Axe form is fairly basic and can help her keep sustain in long fights.
In Sword form, she doubles down on offense to unleash a powerful charge attack.
 Ground ZeroConsumes 99% of caster's current HP to deal plain damage to all foes (Damage cap: ~820,000).
Damage dealt is based on HP consumed.
Gain Shield (3000)Next ATK received will be ineffective for a fixed amount
Strength: 3000Duration: Indefinite.
At level 95:
Also inflict 25% Earth DEF DownDEF is lowered for earth DMG
Strength: 25%Base Accuracy: ≥100%Duration: 180 seconds.
Damage cap increased to ~1,230,000. also allows for quick burst damage and can be useful in farming for Pendants as it requires no set up. The ShieldNext ATK received will be ineffective for a fixed amount
has a high value of 3000, allowing her to take hits and stay at low health.
After her final uncap, she mostly plays the same, only with larger numbers. The bonus damage in her Sword form allows her to bypass the Damage cap, while the Earth DEF DownDEF is lowered for earth DMG
on her Ground Zero will allow her to assist her team and other players.

Synergy

Character Synergy

• Eugen (Grand): His  Sudden AttackGrant an Earth ally ArmedCritical hit rate, C.A. DMG, and C.A. DMG cap are boosted (Can't be removed)
  Strength: 100% / 50% Critical Up100% chance of dealing 50% more damage. / 50% C.A. DMG Up / 25% C.A. DMG Cap UpDuration: 5 turnsSpecial buff and 20% UpliftedCharge bar is boosted on every turn
  Strength: 20%Duration: 5 turns. accelerates Threo's charge bar greatly. He also can release turns of his own charge attacks which in turn can accelerate Thero's. His boost to hostility on  Intercept IIGain Counters on Dodge (3 times)Dodge and counter one-ally attacks
  Strength: 200%Duration: 3 turnsCounter attacks grant 5% charge bar per hit. and Hostility UpMore likely to be attacked
  Duration: 3 turns.
  (Uses 30% of charge bar) can also draw some hits away from her, increasing her longevity.
• Lunalu (SSR): Her  FacsimileCopy the last skill used by an ally.
  (Chance to fail.) can copy Ground Zero's effect, which can be useful while farming Arcarum: The World Beyond.

Weapon Synergy

• Solomon's Axe: She has Axe proficiency so she gets boosted stats from this weapon, and she can activate its Enmity skill immediately by using Ground Zero.
• Yggdrasil Crystal Blade Omega: Threo has Sabre proficiency, so she gets a higher stat boost from the basic Yggdrasil Sword grid.
• Nibelung Horn: Threo has Axe proficiency, so she gets a higher stat boost from the developed M2 Earth grid.

Extended Mastery Perks

Threo			Pts: 10
ATK ★☆☆ ★★☆ ★★★ +500 +800 +1000	DEF ★☆☆ ★★☆ ★★★ 5% 8% 10%	Double Attack Rate ★☆☆ ★★☆ ★★★ 3% 5% 6%	Critical Hit ★☆☆ ★★☆ ★★★ 12% chance for 12% more DMG 20% chance for 20% more DMG 25% chance for 25% more DMG	Charge Attack Damage ★☆☆ ★★☆ ★★★ 10% 15% 20%
☆☆☆	☆☆☆	★★☆	★★★	★☆☆
ATK ★☆☆ ★★☆ ★★★ +500 +800 +1000	DEF ★☆☆ ★★☆ ★★★ 5% 8% 10%	HP ★☆☆ ★★☆ ★★★ 250 500 750	Critical Hit ★☆☆ ★★☆ ★★★ 12% chance for 12% more DMG 20% chance for 20% more DMG 25% chance for 25% more DMG	Water Damage Down ★☆☆ ★★☆ ★★★ 2% 4% 5%
☆☆☆	☆☆☆	☆☆☆	★★★	☆☆☆
ATK Up DEF Down ★☆☆ ★★☆ ★★★ +900 ATK -10% DEF +1300 ATK -15% DEF +1500 ATK -20% DEF	ATK Up DEF Down ★☆☆ ★★☆ ★★★ +900 ATK -10% DEF +1300 ATK -15% DEF +1500 ATK -20% DEF	Charge Attack Damage ★☆☆ ★★☆ ★★★ 10% 15% 20%	Charge Attack Damage Cap ★☆☆ ★★☆ ★★★ 5% 8% 10%	Chance to boost ATK with every one-foe attack (Stackable)
☆☆☆	☆☆☆	★☆☆	☆☆☆	☆☆☆
Last update: 2017-08-13

Gamewith's recommended EMP build for Threo.

Priorities

Crit is the priority, followed by DA. The priority of the extended mastery support skill depends on how long the fight is expected to last. If Threo's charge attack damage is hitting the damage cap, it is recommended to take the CA DMG cap node. If Ground Zero is not hitting the cap of 820k, then put a point into each of the HP nodes.

Threo			Pts: 18
ATK ★☆☆ ★★☆ ★★★ +500 +800 +1000	DEF ★☆☆ ★★☆ ★★★ 5% 8% 10%	Double Attack Rate ★☆☆ ★★☆ ★★★ 3% 5% 6%	Critical Hit ★☆☆ ★★☆ ★★★ 12% chance for 12% more DMG 20% chance for 20% more DMG 25% chance for 25% more DMG	Charge Attack Damage ★☆☆ ★★☆ ★★★ 10% 15% 20%
☆☆☆	☆☆☆	★★★	★★★	★★☆
ATK ★☆☆ ★★☆ ★★★ +500 +800 +1000	DEF ★☆☆ ★★☆ ★★★ 5% 8% 10%	HP ★☆☆ ★★☆ ★★★ 250 500 750	Critical Hit ★☆☆ ★★☆ ★★★ 12% chance for 12% more DMG 20% chance for 20% more DMG 25% chance for 25% more DMG	Water Damage Down ★☆☆ ★★☆ ★★★ 2% 4% 5%
☆☆☆	☆☆☆	☆☆☆	★★★	☆☆☆
ATK Up DEF Down ★☆☆ ★★☆ ★★★ +900 ATK -10% DEF +1300 ATK -15% DEF +1500 ATK -20% DEF	ATK Up DEF Down ★☆☆ ★★☆ ★★★ +900 ATK -10% DEF +1300 ATK -15% DEF +1500 ATK -20% DEF	Charge Attack Damage ★☆☆ ★★☆ ★★★ 10% 15% 20%	Charge Attack Damage Cap ★☆☆ ★★☆ ★★★ 5% 8% 10%	Chance to boost ATK with every one-foe attack (Stackable)
☆☆☆	☆☆☆	★☆☆	★★★	★★★
Last update: 2017-08-13

Priorities

DA and Crit are staples of any EMP build and should be prioritized first. Her EMP passive is especially useful over long fights, providing an indefinite 30% stackable atk boost, so long as it doesn't get dispelled. As Thero will be using a lot of Charge Attacks boosting her Cap will allow her to deal more damage every time they're used. If the cap is not being hit consistently, then points can be invested in CA DMG instead. The last 3 points are flexible. Typically putting them in HP is a good investment until she has about 9,000 Natural HP, or 12,000 Natural HP after her final uncap, in order to boost her Ground Zero damage. After these thresholds are met, the stars can be invested back into CA DMG and CA DMG cap up. At least 1 star should be put into each of the CA DMG nodes in this way. The ATK Up/DEF Down do not provide enough stats to justify her decreased survivability. She could take nodes in Defense to offset them, but they're better off used in increasing her charge attack paramaters. ATK and Water DMG down scale poorly, and should not be considered.

For her Over Mastery, Threo can benefit well from whatever 3rd bonus is given to her. Priorities should be given to Enmity and Charge attack parameters, while Stamina and Debuff Success should be avoided.

On her fourth bonus, she will want to have either boost to Multi-attack, although she can work with most options provided she has a good boost to Enmity or Charge attack Specs attached to it.

Resources

• Reddit Character Discussion (2017-03-27)
• Reddit Character Discussion (2019-06-28)