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Quick Hero Info
Type
Icon Move Infantry Icon Class Red Sword
Stats
42 / 35 / 40 / 23 / 22
Exclusive skills

Dueling Sword Optimal
Dueling Crest Arena
Orb Very high investment
Distant Vassal
Traits: +Atk +Spd / -Res
Passive Icon CEmpty Passive Icon
 Flexible
Passive Icon SQuickened Pulse
 Quickened Pulse / Flexible
Click to show/hide build description 
Karla boasts good Atk and excellent Spd, almost-decent bulk, and a unique weapon that further boosts her damage based on her high speed, along with a slaying effect. This build plays to her strengths, and aims to fire off her Special as much as possible to wreak as much havoc as she can.

Weapon: Icon Class Red Sword Vassal's Blade is Karla's weapon of choice. It reduces Skilliconspecial Moonbow's Special charge down to 1, making every other attack done by her even deadlier. Not only that, but it gives every attack of hers extra damage, up to 7 per attack, depending on the difference between Karla's speed and the enemy's. With her amazing 40 base speed, she can achieve the maximum damage against most enemies and get great mileage of her weapon.

Assist: Skilliconassist Reposition is a good Assist in general to use. Its uses are versatile, as it can either help bring an ally closer to the fray, or bring an ally out of danger.

Special: Skilliconspecial Moonbow is Karla's Special, used to punch through heavily defensive enemies that can survive her attacks, the shorter cooldown preferred as it allows for her to activate it twice on both phases for lots of damage, especially when backed by Wrath 3 Wrath 3.

A Passive: Distant Counter Distant Counter is a great choice for Karla's A skill. This way, even ranged opponents will have to engage Karla at their own peril, lest she respond with Moonbow fully charged, possibly with Wrath on top.

B Passive: Wrath 3 Wrath 3 is Karla's B skill. If Karla gets injured enough and activates her Special, it'll be even stronger. Afterwards, this will help charge her Special faster as well. This means she'll almost always have Moonbow at the ready to annihilate another foe.

C Passive: This skill slot is flexible, open to be whatever the player needs. A buffing skill, like a Drive or a Tactic skill could suffice, but this is up to the player's discretion and team composition.

Sacred Seal: Quickened Pulse Quickened Pulse is Karla's Seal. It may seem a bit redundant on the enemy phase, seeing as how she'd only need to take one hit then to charge her Special, but it allows her Moonbow to be charged right off the bat, meaning she can walk up to any target and unleash her Special immediately. This makes her a very dangerous opponent on either phase. If she exchanges blows with an opponent on the player phase and they somehow live through the first Moonbow, and they're slow enough to get doubled, then they'll have to take another one, which should more than suffice to do her opponent in. However, she does have other options as well, making this seal slot a little flexible. Quick Riposte 3 Quick Riposte 3, despite her already lightning fast speed, can absolutely ensure that she can perform a follow up attack, especially against opponents that can prevent follow ups. Distant Def 3 Distant Def 3 can help her take a hit from a ranged opponent.

— Steelux7 (talkcontribs)
Dueling Sword Optimal
Dueling Crest Arena
Universal Crystal Medium investment
Brazen Vassal
Click to show/hide build description 
Karla boasts good Atk and excellent Spd, almost-decent bulk, and a unique weapon that further boosts her damage based on her high speed, along with a slaying effect. With the powerful Wrath effect, Karla is at her strongest when in range of it, and she can be further amplified with a double Brazen build to make her into a Player Phase powerhouse, sacrificing the Distant Counter option for more killing potential when initiating.

Weapon: Icon Class Red Sword Vassal's Blade is Karla's weapon of choice. It reduces Skilliconspecial Moonbow's Special charge down to 1, making every other attack done by her even deadlier. Not only that, but it gives every attack of hers extra damage, up to 7 per attack, depending on the difference between Karla's speed and the enemy's. With her amazing 40 base speed, she can achieve the maximum damage against most enemies and get great mileage of her weapon.

Assist: Skilliconassist Reposition is a good Assist in general to use. Its uses are versatile, as it can either help bring an ally closer to the fray, or bring an ally out of danger.

Special: Skilliconspecial Moonbow is Karla's Special, used to punch through heavily defensive enemies that can survive her attacks, the shorter cooldown preferred as it allows for her to activate it twice on both phases for lots of damage, especially when backed by Wrath 3 Wrath 3.

A Passive: Brazen Atk Spd 3 Brazen Atk/Spd 3 is the choice of A to give Karla the most damage possible when in Wrath/Desperation range. Along with 7 attack, the speed bonus lets her gain more speed over fast enemies, so that her weapon provides even more damage.

B Passive: Wrath 3 Wrath 3 is Karla's B skill. If Karla gets injured enough and activates her Special, it'll be even stronger. Afterwards, this will help charge her Special faster as well. This means she'll almost always have Moonbow at the ready to annihilate another foe. The other option is Desperation 3 Desperation 3, and the difference between the two is that Desperation offers more damage and killing potential with a double (which is easy to achieve with Karla's incredible speed), but she will fail to kill as well against enemies she can't double, opponents that use Swordbreaker 3 Swordbreaker 3, Wary Fighter 3 Wary Fighter 3 or have enough speed to prevent it.

C Passive: This skill slot is flexible, open to be whatever the player needs. A buffing skill, like a Drive or a Tactic skill could suffice, but this is up to the player's discretion and team composition.

Sacred Seal: Brazen Atk Res 3 Brazen Atk/Res 3 is Karla's seal, and it's just here to further amplify her killing potential in Wrath/Desperation range. The +7 attack bonus is unparalleled and pushes her offensive prowess to incredible levels.

Steelux (talk) 15:39, 19 October 2018 (UTC)
Dueling Sword Optimal
Dueling Crest Arena
Hero Feather High investment
Fastest Vassal
Icon Skill Assist Reposition / Flexible
Traits: +Atk,+Spd/-Res

A description has not been written for this build yet.

Dueling Sword Optimal
Build Icon Allpurpose All-purpose
Universal Crystal Medium investment
Karla in her Wrath (Budget)
Icon Skill Assist Flexible
Traits: +Atk/-Res
Passive Icon CEven Spd Wave 3
 Even Spd Wave 3 / Flexible
Passive Icon SEmpty Passive Icon
 Flexible

A description has not been written for this build yet.

Dueling Sword Optimal
Dueling Crest Arena
Orb Very high investment
Icon Move Infantry Infantry
A Shield that surpasses Regnal Astra, a true Karla build that truly optimizes her.
Click to show/hide build description 
Enough with DC wrath, Ayra does it better with Regnal Astra, there is no point in trying to pretend to be something your not. Instead of trying to become an inferior Ayra, you can actually surpass her by putting on a common Pavise skill with Sheild Pulse. It might sound crazy, a pavise build being on par with Ayra but just put this build in a combat simulator or play with it yourself and the results will show. Karla has a unique way of utilizing this kit by combining her legendary blade with her amazing stats and once you use it you'll never try anything else on Karla again.

Weapon: Karla doesn't need anything except her blade for this build. The cooldown reduction is quite nice but the extra damage with a base of 16 mt helps Karla easily kill most enemies without the need for an offensive special. This offensive advantage is her blade's most noteworthy feature and is why you should use this vassal's sword with some shield pulse.

Assist:

Special: Pavise allows Karla to win most 1v1s and its always on her thanks to shield pulse+flashing blade. Contrary to popular belief, pavise is better the frailer a unit is because it ends up reducing more damage in combat. As a result, pavise will turn Karla from a glass cannon to a tanky cannon, a tanky cannon that can tank ignis from armored units. Karla's prf allows her to not only proc pavise immediately but its extra damage on slower units makes her score kills without the need of an offensive special. If you don't believe me when I say that pavise is the most optimal special on her, just put this build in a combat simulator and compare it to those off-brand Ayra build people slap onto Karla.

Passives:

A - Swift Sparrow 2 allows for the most wins when facing enemies but Life and Death 3 is a great budget option for those who don't have it, only a few match ups are lost when you take it. Other than that it's pretty self-explanatory picking Life and Death 3 or Swift Sparrow 2 as an A skill on a unit like Karla


B: Karla has a amazing potential with shield pulse. When combined with flashing blade seal she becomes a menace that can even fight against blue melee units with ease. Pavise is a necessity for helping Karla reach her maximum potential and surpassing Ayra so just give up that free Fjorm for the shield pulse and watch enemy units drop like flies.

C: Karla's Even speed wave brings her speed to 50 on even turns, a number that almost ensures a double on virtually any opponent sans people running either Wary Fighter or Swordbreaker. It also heavily contributes to her Vassal's Blade's Damage potential. However, this skill can be used to support skills like Drive Speed or Atk Tactic.

Seal: Flashing blade helps Karla keep up her shield pulse shenanigans consistently, even during combat she can activate it twice as long as she has the speed advantage. Having the speed advantage won't exactly be hard to do since she has the highest speed in the game with a blade that boosts her speed and a +6 boost to speed every other turn. The way all these skills synergize is disgustingly effective.
Dueling Sword Optimal
Dueling Crest Arena
Universal Crystal Medium investment
Icon Move Infantry Infantry
Why Bartre fell in love with her
Click to show/hide build description 
Karla's mindblowing 35/40 offensive spread makes her top tier player phase threat in the arena. Use due caution when facing her because her weapon's effect in conjunction with wrath makes her damage soar to drastic heights.

Weapon: Karla excels with many weapons: her brother's Wo Dao, Firesweep Sword, and even a niche Armorsmasher. However, Vassal's Blade is by far her best weapon. With a cooldown reduction and an effect that virtually gives her 14 free damage considering her massive speed stat and the use of Phantom Speed, It maximizes all of her strengths.

Assist: Ardent Sacrifice enables her to use threshold skills while controlling her HP. Her HP bane is a very good choice because it lets her activate ~75% skills like Wrath and Desperation using Ardent Sacrifice. A more consistent option is Reposition which is a very adequate positioning skill.

Special: Draconic Aura in tandem with Wrath lets Karla break through many blue units as well. Since Karla can already secure kills on Red and Green units, specials like Glimmer are wasteful and do not optimize her killing potential. If Karla is being run on an infantry team, then she is a great candidate to receive Infantry Pulse buffs. If infantry pulse is being run, a Wrath boosted Dragon Fang can kill armored Blue units like Effie and Hardin from full HP outright.

Passives:

A - Brazen Atk Def synergizes very well with Wrath's threshold while providing an ample +7 Atk and Def to Karla. This option is chosen over Fury, Life and Death, Swift Sparrow and Brazen Atk Spd because buffs to speed and resistance are unnecessary; 44 speed is already enough, especially with buffs such as even speed wave and boosting Karla's resistance is nigh useless on a Player phase set. The Def buff from Brazen Atk/Def remedies Karla's middling defense which allows her to survive a singular hit. Therefore, against any Melee unit she fights and Doubles, the fight looks like this. Assuming she's using Dragon Fang and she's already under 75%, Karla(4) -> Vassal's Blade (3) -> Wrath (2) -> She attacks (1) -> counter (*) -> Dragon Fang. Also, Ares's Demotion has greatly increased the skill's availability, making it easily accessible from a 4 star hero.

If consistency appeals to you, another option is Sturdy blow. This gives her a +4 buff to Atk/Def during initiation which means it isn't reliant on Thresholds.

B: Karla has a native Wrath which is borderline the best B-skill in the game aside from Bold Fighter. It synergizes very well with the Vassal's blade stacking cooldown reduction and with Brazen Atk Def. With Wrath, Karla can use Specials like Dragon Fang, Astra, and Aether without running Heavy Blade seal. It is by far one of the best options she has.

C: Karla's native Even speed wave brings her speed to 50 on even turns, a number that almost ensures a double on virtually any opponent sans people running either Wary Fighter or Swordbreaker. It also heavily contributes to her Vassal's Blade's Damage potential. However, this skill can be used for support skills like Drive Speed or Atk Tactic.

Seal: Phantom Speed essentially adds 7 damage to all of Karla's attacks. By increasing the consistency of the Vassal's Blade's activation, it makes it a better option than Attack seal. Quickened Pulse is another option that can speed up cooldown to run certain specials without the use of infantry pulse.
Dueling Sword Optimal
Dueling Crest Arena
Hero Feather High investment
Icon Move Infantry Infantry
Firesweep Karla
Click to show/hide build description 
Karla boasts a terrifying offensive stat spread but sports lackluster defenses, meaning she is a superb candidate for Firesweep shenanigans. While her base sword is certainly a very strong option, a Firesweep Sword nullifies the significance of her paper-thin defensive stats on player phase (where she is most effective), which allows one to max out her offensive potential with the rest of the slots on this build.

Weapon: Icon Class Red Sword Firesweep S+ is the choice of weaponry for this build, mitigating the impact of Karla's weak defensive capabilities on player phase, allowing Karla to put her stellar offensive stats to work unpunished if played properly.

Assist: Skilliconassist Reposition is a solid assist for general use, opening up various strategic options for either pulling units away from danger or placing them in range of an enemy unit.

Special: Skilliconspecial Luna is a strong special choice for this build, synergizing well with the Heavy Blade 3 Heavy Blade 3 seal and leading to significantly higher damage output. Alternatively, Skilliconspecial Galeforce is an option that, with support from the Heavy Blade 3 Heavy Blade 3 seal and ideally a dancer, will allot Karla more opportunities to put her potent offensive prowess to use.

A Passive: Life and Death 3 Life and Death 3 is the A skill of choice for Firesweep Karla, augmenting her already terrific attack and speed at the cost of defenses. Given the choice of weaponry, Karla only gains from this skill selection.

B Passive: Chill Def 3 Chill Def 3 is the ideal skill selection for the B slot. It increases the odds of Karla being able to one-round high defense units, which is especially important given the lack of an offensive special on this build. Drag Back Drag Back is an option to consider if using Skilliconspecial Luna in the special slot.

C Passive: Even Spd Wave 3 Even Spd Wave 3 is Karla's C skill from her base kit and fits this build well---providing a massive Speed buff to her teammates as well as herself every other turn.

Sacred Seal: Heavy Blade 3 Heavy Blade 3 is the seal of choice for Firesweep Karla, operating well in tandem with her relatively high strength and Life and Death---allowing Karla to proc Skilliconspecial Luna or Skilliconspecial Galeforce more often.

Dancer support is a wise idea, namely from a unit like Lene, who can compensate for the complete lack of enemy phase sword coverage with her unique sword. Infantry Pulse 4 Infantry Pulse 4 support is highly recommended.
Pen Creative
Dueling Crest Arena
Universal Crystal Medium investment
Icon Move Infantry Infantry
Colorblind Karla, a Player Phase Nuking Build
Click to show/hide build description 
Karla has gone colorblind, and doesn't care about the weapon triangle. Karla's amazing offensive stat spread, along with her cooldown reducing weapon and access to Wrath 3 Wrath 3 make her a perfect candidate for this sweeping one shot build. With the proper setup, Karla can even one shot even the tankiest of blue units. With this build, Karla doesn't have to worry about defensive skills as her special will more than likely take the enemy below the HP threshold for these skills to work.

Weapon: Icon Class Red Sword Vassal's Blade has superb synergy with this build. Not only does the weapon reduce the special cooldown of Skilliconspecial Blazing Wind, it also adds damage to the special. The bonus damage from Icon Class Red Sword Vassal's Blade gets applied to Karla's attack stat before the calculation of the special damage. Most of the enemies that Karla needs the bonus damage from will be slow enough to guarantee the bonus damage.

Assist: Skilliconassist Reposition is a standard choice for a mobile team. Alternatively, Skilliconassist Ardent Sacrifice can be used to aid in setting up Wrath 3 Wrath 3.

Special: Skilliconspecial Blazing Wind is the bread and butter of this build. This special effectively functions as a pseudo Desperation 3 Desperation 3. Because The special damage is dealt before combat, it will ignore the effects of in-combat defensive skills. With the bonus damage from Icon Class Red Sword Vassal's Blade and Wrath 3 Wrath 3, Karla can easily take enemies down to around 1 hp before combat, and then finish them off with her first attack. If you are worried about Vantage 3 Vantage 3 units, you can opt into the Flashing Blade 3 Flashing Blade 3 Hardy Bearing 3 Hardy Bearing 3 variation of this build, although certain blue units will be able to survive.

A Passive: Life and Death 3 Life and Death 3 is the A skill of choice. Skilliconspecial Blazing Wind damage is calculated based on the attack stat of the unit before combat, therefore, we want to maximize the base attack stat of Karla as much as possible. Alternatively, Flashing Blade 3 Flashing Blade 3 can be used here if running Hardy Bearing 3 Hardy Bearing 3 as your seal.

B Passive: There's not really a better option than Wrath 3 Wrath 3. This skill, along with Flashing Blade 3 Flashing Blade 3 guarantees that your special is charged at the start of each player phase provided that you are below 80% hp. It also adds 10 damage to Skilliconspecial Blazing Wind.

C Passive: Odd Atk Wave 3 Odd Atk Wave 3 is a great offensive option for Karla. Every other turn, Karla can amplify the damage of her special. At max merge level, a +ATK nature, and Life and Death 3 Life and Death 3, Karla can hit an attack stat in the high 60's. Skilliconspecial Blazing Wind loves attack, so the more we stack the better. Alternatively, Atk Smoke 3 Atk Smoke 3 is a fine option if you want to swap in a tanky Vantage 3 Vantage 3 user to clean up after Karla's AOE special, as it will reduce and potential return damage. This slot is very flexible.

Sacred Seal: Flashing Blade 3 Flashing Blade 3 is the seal of choice. After you hit your enemy with your special, they will be at a low enough hp for Karla to kill with a single attack. Therefore, we need this seal so that we can reduce our special back down to 1 after the killing blow. The next turn, Wrath 3 Wrath 3 should complete the charging of the special. If you decide to run Flashing Blade 3 Flashing Blade 3 in the A slot, then Hardy Bearing 3 Hardy Bearing 3 is an excellent option to deal with Vantage 3 Vantage 3 users.

Team Options: Infantry Pulse 4 Infantry Pulse 4/Dancer support is highly recommended as you can go in, blow up a unit, and then get danced out. Another strong option includes having units with Chill Def 3 Chill Def 3 to debuff enemies and make Karla's special deal even more damage.
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