To beat Kunai and Kirin, keep pressure on the duo with Poison or a Drench-and-Lightning build, focus Kirin down first, parry Kunai’s blade beams for openings, then bind Kunai with Koo’s roots and finish her while she is locked down.
Kunai and Kirin is a dual-boss fight where the danger comes from losing track of which enemy is active. The cleanest win is to treat it as a control fight: answer projectiles with movement, answer Kunai’s readable sword strings with parries, and save Koo skills for the moments when you can safely turn pressure into real damage.
Which Kunai and Kirin fight this covers
This guide is anchored to the Lv. 49 Kunai and Kirin fight in Chapter 12, around the City Center objective and the push toward the Cathedral to kill the Malefact. This is the decisive rematch where both health bars must be emptied.
There is also an earlier Chapter 8 Kunai and Kirin encounter. Use that fight to learn the rhythm if you are replaying it, but the plan below is built for the later Chapter 12 boss fight.
Best setup for Kunai and Kirin
| Option | Use |
|---|---|
| Hunter’s Sword | Use it when you want to exploit the shared Poison weakness. |
| Dokuzeri Blade/Bloom Arts | Slot these where available to keep Poison pressure active. |
| Thunderwave Sword+3 | Use it for a Drench-and-Lightning approach built around fast Shock damage. |
| God Tree Guard | Equip it for sturdier defense during the dual-boss pressure. |
| DEF Charm II | Put it on Koo when you need more safety while using support skills. |
| Higanbana Roots | Use it to bind Kunai during her punish windows. |
Key Kunai and Kirin are both weak to Poison, so Poison gear is the most direct way to shorten the fight. If you have access to Hunter’s Sword and Dokuzeri Blade or Bloom Arts options, build around keeping that damage active while you play patiently.
A high-pressure Drench and Lightning/Shock setup also works well. Thunderwave Sword+3, God Tree Guard, DEF Charm II, and Koo skills such as Higanbana Roots give you enough control to melt the fight even without leaning on the listed Poison weakness.
Kill Kirin first so the second half becomes a one-on-one fight where Kunai’s blade beams and sword strings are much easier to parry and punish.
Kunai and Kirin attacks to watch
| Attack | Response |
|---|---|
| Kunai’s opening blade beams | Parry them for an early opening once the timing clicks. |
| Kunai’s sword/projectile strings | Parry instead of panic-rolling to restore FP and counter. |
| Kunai’s spinning Shock arm attack | Stay ready to parry, then punish after the recovery. |
| Kunai’s kick-into-slash combo | Parry both hits if you wait for the visual cue. |
| Kirin’s projectiles | Dodge and reset your spacing before attacking. |
| Kirin’s dash across the arena | Dodge sideways, then counter only after it passes. |
| Kirin’s horn swipe | Parry it for a safe punish window. |
| Kirin’s mud puddles | Avoid standing in them so Slow does not trap you. |
Kunai’s most important attacks are the ones you can turn against her. Her blade beams, sword/projectile strings, thorny whip-style arm attack, and kick-into-slash combo all create parry chances if you hold your nerve instead of rolling away too early.
Kirin is more about spacing. Its projectiles and dash can force you out of rhythm, while its mud puddles can inflict Slow, so clear the danger zone before trying to trade.
How to beat Kunai and Kirin in Beast of Reincarnation
This route wins by surviving the opener, removing Kirin first, then locking Kunai down when the fight becomes manageable.
STEP 1/7
Survive Kunai’s opener
Kunai begins with blade beams, so be ready to dodge or parry before you commit to attacking.
STEP 2/7
Switch focus when Kirin joins
Move your attention to Kirin as it starts throwing projectiles and keep enough space to see both bosses.
STEP 3/7
Keep status pressure active
Maintain Drench buildup and Lightning/Shock damage, or swap in Poison if your loadout is built around their shared weakness.
STEP 4/7
Dodge Kirin’s dash
When Kirin charges across the arena, dodge out of the line and avoid answering until its movement finishes.
STEP 5/7
Finish Kirin first
Burn down Kirin as soon as the opening appears so the rest of the fight becomes Kunai alone.
STEP 6/7
Parry Kunai’s blade beams
Once Kirin is down, parry Kunai’s blade beams and wait for her to land before punishing.
STEP 7/7
Bind Kunai with Koo’s roots
Use Koo’s roots to hold Kunai in place, then unload melee pressure while she is trapped.
Video help
When the fight starts falling apart
If both health bars are still high after a long exchange, you are probably splitting damage too evenly. Pick Kirin as the first kill target unless Kunai gives you a free punish, because removing the projectile and dash pressure makes the final stretch far cleaner.
If your damage feels low, rebuild around Poison instead of trying to force raw physical attacks. The Drench-and-Lightning setup can overpower the fight, but Poison is the weakness both bosses share.
If Kunai keeps catching you, stop panic-rolling through every sword move. Her readable blade beams and combos are there to be parried, while Kirin’s projectiles, dash, and mud are the attacks you should respect with movement.
Do not spend Koo skills just because they are available. Save roots and heavy Bloom Arts for moments when Kirin is not interrupting you or when Kunai has just descended into a punishable recovery.
Kunai and Kirin rewards
The Chapter 12 fight has one phase. Once both Kunai and Kirin’s health bars are depleted, the fight ends.
Beating them also unlocks the Kunai & Kirin trophy or achievement where applicable.
Related Beast of Reincarnation guides
Frequently Asked Questions
Can you beat Kunai and Kirin without using Poison?
Yes. A Drench and Lightning/Shock build with Thunderwave Sword+3 can beat them through pressure, even though Poison is the cleaner weakness route.
Should you kill Kunai or Kirin first?
Kill Kirin first. Its projectiles, dash, and mud make the arena harder to control, while Kunai becomes easier to read once she is alone.
Why does the boss name appear as both Kirin and Kiran?
The in-game HUD may show Kiran in the fight, while the trophy and most menu-style references use Kirin. For this guide, Kirin is used so it matches the achievement name and common boss listing.
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