Kana (F)

• Preferred IV: +SPD / -HP
• Weapon: Lightning Breath+ (+Spd)
• Assist: Reposition / Swap 
• Special: Aether / Bonfire
• Passive A: Steady Breath / Warding Breath
• Passive B: Quick Riposte / Guard
• Passive C: Goad Dragons / Flexible
• Sacred Seal: Close Def / Distant Def / Quick Riposte

Kana is able to run the standard high-investment dragon build to fantastic effect. Lightning Breath is Kana's preferred weapon, letting her counter common blue and green mages as well as archers like Brave Lyn and Wings of Fate Hinoka. As one of the fastest dragon units in the game, and the absolute fastest green one, Kana makes great use of both a Speed boon and refine, which gives her the Speed necessary to prevent doubles from fast mages and Firesweep users, and possibly double them on initiation with some team support.

As a unit who doesn't mind taking hits, Reposition is the standard option for Kana, letting her pull any frailer allies who have already made their attacks behind her, or toss them forward at the start of a turn to finish the map. Swap can work similarly and may be preferred in tight spaces, though may sometimes fail to move her allies to safety.

Depending on your playstyle, Kana will want either Aether or Bonfire which, thanks to her weapon, will have a cooldown of 6 or 4 respectively and thus synergize fantastically with Steady Breath or Warding Breath. Aether will not activate in one combat unless she is doubled, which is actually preferred, as launching it onto a second, full HP enemy is often more useful and will result in more HP recovered. Bonfire, instead, will activate every time Kana is attacked and be more reliable at securing kills, but comes with a very noticeable drop to her sustain.

Steady Breath is generally the preferred A slot for Kana, leveraging her high Defense, though if one's team has less problem with physical units and needs a more reliable mage counter, Warding Breath may be more powerful.

Quick Riposte is vital on Kana as it will guarantee she doubles when she is attacked. This ensures she makes maximum use of her chosen A slot Breath, lets her double through Speed ties on other Speed-invested enemies, and will grant her the needed "guaranteed follow-up attack" to break through skills such as Wary Fighter. If one wants to protect themself from fast Specials such as Quickened Pulse Moonbow users and Bold Fighter Effie and Fallen Hardin, Guard is a useful alternative, in which case Quick Riposte can be utilized as a Sacred Seal instead.

Kana relies on no specific C slot, which can be adjusted to whatever her teammates demand. If used with other dragons, Goad Dragons is powerful tool. Elsewise, any useful skill such as Drive Spd or Threaten Spd can work great. Having over 40 HP also means Kana can reliably proc Panic Ploy on the majority of mages.

Kana will want Quick Riposte as her Sacred Seal if she is using Guard, but otherwise she makes fantastic use of Close Def or Distant Def. As usual, which one is best will depend primarily on her teammates, or possible which seals are already in use by other teammates. As melee units are more common in arena, Close Def will come into play more, will boost her matchups against other dragons, and can be key to allowing her to take hits from sword users. Meanwhile Distant Def will boost her power to tank at a range and keep her safe from buffed Reinhardts if she is running no other Resistance buffs.

• Preferred IV: +DEF or +RES / -HP or -SPD
• Weapon: Lightning Breath+ (+Def/Res)
• Assist: Reposition / Swap
• Special: Aether / Bonfire 
• Passive A: Steady Breath / Warding Breath
• Passive B: Guard / Quick Riposte
• Passive C: Goad Dragons / Flexible
• Sacred Seal: Quick Riposte / Close Def / Distant Def 

Instead of putting all points into her Speed, Kana can also choose to invest fully into her Defense. Compared to her previous build, this one will start to become better and better the higher your arena score reaches and the more merges she has. Generally, at higher score levels, mages start to appear a little less frequently and Bold Fighter armored units much more so. While they do not become so rare to the extent that dropping Lightning Breath becomes a good idea, it does mean that shifting the focus of Kana's build to Defense becomes more important, as Speed means nothing in the face of Bold Fighter. Often enough, these higher score ranges will also increase the chances of running into highly invested cavalry teams, and Speed similarly means little in the face of Reinhardt. At some point, while it is somewhat of a shame to drop, Speed may actually become her least useful stat and it may instead be worth taking a bane in Speed as to keep her HP neutral, granting 4 more points of bulk.

For the most part the overall makeup of this build is the same as the previous. The main difference is that most of the investment into Kana should go into Defense-boosting, although a small bit of investment into her Resistance can be useful, especially if one is forced to use a Kana with a Resistance bane. Likewise, Guard will be slightly more useful for combating Bold Fighter users as well as Heady Blade mages and Reinhardt.

• Preferred IV: +SPD or +ATK or +DEF / -HP or -RES 
• Weapon: Water Breath+ (+Spd)
• Assist: Reposition / Swap / Draw Back
• Special: Moonbow / Draconic Aura
• Passive A: Fierce Stance / Fury
• Passive B: Quick Riposte / Guard / Renewal
• Passive C: Spur Atk / Goad Dragons
• Sacred Seal: Attack +3 / Speed +3 / Threaten Atk

A low investment set that requires no inherits from heroes unable to be obtained as 3 star units.

Kana's innate Water Breath, while lacking the flexibility of Lightning Breath, is still an extremely powerful tool, and arguably the second-strongest inheritable breath in the game. Generally in this case, Speed-investing will be Kana's most powerful option, preventing as many enemy attacks as possible, and ensuring activations of Moonbow should one choose not to use Quick Riposte.

Reposition, Swap, and Draw Back are all useful assist options. Many of them can be obtained at the same time as other skills below, for extra fodder efficiency.

Thanks to Water Breath's lack of a cooldown penalty, Kana can make use of the lower-cooldown Moonbow to strong effect, instantly activating it against any enemy she doubles. Of course, she comes with Draconic Aura by default, which can be kept.

Fierce Stance is Kana's default A passive, and while not as build-defining as an A slot Breath effect is still absolutely a fantastic skill. Alternatively, Fury can grant a useful boost to all stats, great for a unit like Kana who makes use of all of them, most notably a further increase to her Speed.

Quick Riposte remains a fantastic option on Kana, letting her always double back on enemy phase, even through Speed ties and skills such as Wary Fighter. As a bonus, both Quick Riposte 2 and Swap can be obtained from a single Subaki. Guard remains a useful option as well, as are other skills that add to her overall sustain such as Renewal.

Spur Atk is a useful C slot skill that notably, thanks to her default access to Spur Atk 2, can be upgraded to its third level alongside the inheritance of Reposition from a single Barst.

As a seal, Attack +3 can pair nicely with Fierce Stance to heavily boost her damage output, especially in disadvantageous color matchups or against high Resistance green units. Speed +3 can also even further boost her ability to initiate on Player Phase. A simple seal such as Threaten Atk is also useful to add even more bulk to a tanky unit like Kana.