Chrono Navi || Elysian Realm Guide
Five years since Discipline Enforcer A1 has stepped on Hyperion, she makes her debut once again as [Chrono Navi] Ai Hyperion Λ! This guide is purely out of my own experience and as such you could also tinker around which works for you.

Λ The Herrscher of Cabbage Has Invaded Elysian Realm Λ
✦ Overview ✦
✦ Exclusive Signets ✦
✦ Recommended Signets ✦
✦ Final Notes ✦

Λ Overview Λ

Honkai Impact 3rd's No. 1 Idol, Ai Hyperion Λ is an SP MECH-type AI here to assist you Captain!
: So Miss Ai, are you feeling any pressure right now? Considering, the last Stan Wars---
: Ah, ehehe... you must have mistaken me for someone else?

» Skill Overview «
▸ Aimer α: Thrown through Weapon Active. It can be knocked back up to 3 times through Basic ATK.
▸ Aimer β: The 3 chakrams thrown through Charged Attack. It can be knocked back through Basic ATK or Weapon Active (Counterattack Order).
▸ Aimer γ: The middle Aimer β chakram turns into Aimer γ once it is knocked back. This is a stationary ring of fire present on the battlefield, and pulls enemies in.
▸ Λ Power: This is the bar above HP. It has a max of 300 and can be filled by knocking back Aimer α chakram units gaining 100 per hit. Once the bar is full, Charged Attack can be cast.
▸ Aimer Λ Domain: While an Aimer γ chakram unit is on field casting the ULT will turn it into Aimer Λ Domain gaining larger coverage, higher DMG, and ignite trauma.
▸ Counterattack Order: When Charged Attack is cast, the Weapon Active activates the skill and ca be used to knock back chakram units.

» Playstyle «
Since Miss Ai is a support, her playstyle is fairly simple and just keep hitting back those chakrams!
(Weapon Active ➝ Basic ATK) 3x ⮞ Charged ATK ⮞ Weapon Active (Counterattack Order) ⮞ ULT
See Overseer Theresa Apocalypse's explanation of Miss Ai's ability here!

» Special Adjustment «
✦ Valkyrie stats and skill level are adjusted to Lv. 80 equivalent.
✦ Valkyrie deals 150% more ignite DMG.
✦ Valkyrie deals 50% more total DMG.

» Best Equipment «
Weapon: Rudder in Dream Λ-I/Rudder in Dream
Stigmata: Ai TMB
ELF: Sirin, Book of Fuxi
Analysis:
▸ Rudder in Dream Λ-I/Rudder in Dream and Ai set is a no-brainer because it is her signature equipment and that it has her equip bonus.
▸ If you have them anyway, Sirin and Book of Fuxi would help you a lot. Sirin is capable of dealing Fire DMG, healing, and shield-breaking. On the other hand, Book of Fuxi... well also deals Fire DMG and can boost her Total DMG when she hits ignited enemies.
» Alternative Equipment «
Weapon: Purana Phantasma: Nighteye/Purana Phantasma, Gilded Librae
Stigmata: Ragna TB Thales M
ELF: Jingwei's Wings
Analysis:
▸ Purana Phantasma: Nighteye/Purana Phantasma are the next best chakram for Chrono Navi. Use Gilded Librae if you don't have any other chakrams. Lost Conviction lags behind it even for a bit and its PRI is only ~1% better than Gilded Librae.
▸ Chrono Navi benefits from Ragna TB Thales M since Ragna stigs increase TDM and Fire DMG through Charged ATK. If you don't have it, you might have to settle for Leeuwenhoek TB Thales M since it's the best F2P Fire DPS stigmata available.
▸ Since ELFs are supports, you can just really choose which one you think will help you better. In this case, Jingwei's Wings would help a lot because (1) due to Chrono Navi's melee fighting style, she's vulnerable to getting hit; (2) if you're using Blood Rose anyway, it will help you restore HP; (3) she can also deal Fire DMG. Plus, she's free.

» Support Valkyries «
Early Game: Azure Empyrea & Midnight Absinthe
Late Game: Azure Empyrea & Bright Knight: Excelsis
Final Boss: Azure Empyrea & Blood Rose
Analysis:
▸ Keep Azure Empyrea throughout.
▸ You can mix and match between BKE, MA, and BR to which fits your style or you can just keep BR throughout as well.
▸ Midnight Absinthe is a good Fire Support that lasts for some time.
▸ Bright Knight: Excelsis blocks attacks and helps Chrono Navi from taking too much DMG + high Physical DMG.
▸ Blood Rose boosts Total DMG though at the cost of HP and is mostly used in tandem with Kalpas' signets.

» Remembrance Sigils «
Early Game: [Veil of Tears] for more Aponia signets and [Because of You] for more possible Exclusive SIgnets.
Late Game: [Pseudo-Miracle] for more Vill-V signets and [Falling in Past Light] granting massive HP loss to all enemies.
Final Boss: [Tin Flask] for taking less TDM and Max HP increase and [Falling in Past Light] granting massive HP loss to all enemies.
Analysis:
▸ You can change the sigils whenever you want to fit your run. For example, getting the Signets of Discipline you need by the time of the first shop, you can swap for the next one immediately.
▸ You can keep [Because of You] until you have 4 or less Exclusive Signets that you want. You can also forego using it if you have the luck to get them without using the sigil.
▸ You can swap [Tin Flask] with something else if HP and SP is not a problem in which [Faraway Ship] is recommended.
▸ [Falling in Past Light] is recommended since other than it grants extra level when choosing a Signet of Helix, it grants massive HP loss to all enemies, and its Charge can be easily gained through the use of Weapon Active.

Λ Exclusive Signets Λ
Succession ⮞ Time Crystal ⮞ Bladepiece = Constant ⮞ Final Dream
» Start «
✦ Blessing of Succession
α/β/γ chakram deals an extra 100[120]% Fire DMG. When knocking back 1 γ chakram unit, 2 β chakram units will be launched alongside it. On hit, α/β chakram unit restores 2 SP.
[Succession] is the best exclusive signet since it gives more DMG, chakrams, and SP recovery making it suitable as a starting point.
» 1st «
✦ Blessing of Time Crystal
When chakram hits, gain 1 stack of Info Plus, which increases chakram's Fire DMG by 5[6]%. It lasts 8s and can stack 40 times. Triggering it again refreshes its duration.
[Time Crystal] increases the DMG of the chakram that can reach up to a maximum of 240% Fire DMG. Since you can knock back more chakram from [Succession] gaining successive stacks of Info Plus is fairly easy.
» 2nd «
✦ Blessing of Bladepiece
Deal 120% more ignite DMG, and 20% more Fire DMG to ignited enemies. Casting Ultimate refills KE. The fire ring contracts after spreading, pulling enemies while dealing 1600[2000]% ATK of Fire DMG to them.
[Bladepiece] further buffs ignite and Fire DMG to ignited enemies and is helpful since most of the time, the enemies will be ignited due to Chrono Navi's skill set. Casting the ULT refills Λ Power and improves γ chakram unit by pulling enemies and dealing more Fire DMG.
✦ Blessing of Constant
On hit, α/β/γ Chakram generates 1 Splitting Chakram, which deals 150[190]% ATK of Fire DMG and can ricochet 2 times (including ricocheting off the user). CD: 0.2s.
» Reinforcement «
✦ Blessing of Final Dream
When knocking back chakram with Basic ATK or weapon skill Counterattack Order, 1 Splitting Chakram will be launched alongside it, which deals 150[190]% Fire DMG and can ricochet 3 times (including ricocheting off the user).
[Constant] and [Final Dream] are almost the same as they can both generate a Splitting Chakram and deal the same amount of DMG. The difference lies on their activation. [Constant] is triggered when the chakram hits while [Final Dream] is when it gets knocked back, making the former better in the situation. However, the latter is suited for boss enemies that move a lot like Heimdall and Nihilus since they can leave the stationary fire rings.

Λ Recommended Signets Λ
Aponia II ⮞ Vill-V I ⮞ Kalpas II ⮞ Eden II ⮞ Su II
The rule of thumb when choosing signets is to go for Breach ➝ TDM ➝ DMG and in some cases SP recovery or their special skill. Those italicized don't need to be taken but are there in case the other three needed signets coincidentally all do not appear as choices.
» Primary «
✦ Aponia: Signets of Discipline
▸ Normal Signets: Second, No Deception ➝ Fourth, No Insolence ➝ Fifth, No Falsehood ➝ Third, No Brutality
▸ Nexus Signet: You Shall Receive Discipline's Blessing
▸ Enhanced Signets: You Shall Follow Good ➝ You Shall Punish Evil
The true power of Discipline lies in unlocking its nexus. The signets don't really add much to the power of the chakram since Discipline is a give or take type of signet. Second is mainly to have TDM Reduction and does not reduce Exhortation since CN does not summon entities. Fourth allows ULT to increase Exhortation though using weapon skills which CN thrives in decreases half the Exhortation which is why Fifth is needed as it gives bonus Exhortation and whenever reduced, enemies take bonus TDM. Third isn't really much needed late in the game since CN is able to max her SP throughout even without SP recovery from other signets and that combo hits reduce Exhortation which would clash if you rely on Signets of Bodhi. Fourth is enough to reduce Exhortation. If you feel this is pretty convoluted, you can skip Discipline and focus on other Signets below.

» Secondary «
✦ Vill-V: Signets of Helix
▸ Normal Signets: Act I: Magic ➝ Act II: Pendulum ➝ Act III: Conflict ➝ Act V: Spider Web
▸ Nexus Signet: Interlude: Reversed Spiral
Chrono Navi's playstyle makes Vill-V's signets extremely good since she relies a lot on her Weapon Active.
✦ Kalpas: Signets of Decimation
▸ Normal Signets: Desireless, Mindless, and Homeless ➝ Blade, Grave, and Scar ➝ Bone, Blood, and Ribbon ➝ Path, Misfortune, and Written Fate
▸ Nexus Signet: Soldiers, Scissors, Spoils and Slaughter
Picking Decimation is usually in tandem with Blood Rose or if the Valkyrie doesn't have much resistance in which case losing HP is to your advantage. This can go very well or very horrible depending on how much you can evade since some enemies can one-shot you depending on the stage. Pairing this with Hua's signets would be a good choice. At S-Rank, Chrono Navi can heal herself when she knocks back Aimer α/β chakram units.

» Optional «
✦ Eden: Signets of Gold
▸ Normal Signets: Recitatif of Eden ➝ Recitatif of Creeks ➝ Recitatif of Fine Jade ➝ Recitatif of Good Wine
▸ Nexus Signet: Echo of Gold
Chrono Navi solves the SP problem of the Fire Valkyries since she can also restore SP though for herself she needs to be at SS. Eden's signet that focuses on SP would greatly help to make her gameplay smoother. Though during my testing, her SP would usually be more than enough.
✦ Su: Signets of Bodhi
▸ Normal Signets: Motto of Dibbā-Cakkhu ➝ Motto of Pubbe-Nivasanussati ➝ Motto of Iddhi-Vidha ➝ Motto of Asavakkhaya
▸ Nexus Signet: Dictum of Bodhi
Chrono Navi's playstyle makes it so that she gets successive hits quickly although to ensure this, getting his additional combo signet is a good choice.
» Buy in Shop... If You Want «
If you want to be efficient, you should only focus on the ones above and enhance those that boost Breach and TDM. If you're feeling silly and goofy or you think you can strat it out, well be my guest.
✦ Hua: Signets of Vicissitude
▸ Normal Signets: Old Dreams Again ➝ Long Trip ➝ Dark Garb No More
▸ Nexus Signet: Suffering Mass
Hua's signets have really nice general buffs however since Chrono Navi's resistance to interruption is low, it's not recommended unless you're really good at dodging. This would shine more if it has +2 cycle buffs.
✦ Pardofelis: Signets of Reverie
▸ Normal Signets: Shiny & Valuable ➝ Motto of Meow ➝ Back-Curled Tail ➝ Neighborhood Chatters ➝ Merchant's Philosophy
▸ Nexus Signet: Empty Illusions, Empty Fantasies
▸ Enhanced Signets: My Dreams Will Come True ➝ Improv Magic: Zeroing
Earning Pardofelis' Silver Coins are always good if you like hoarding just like me. At the start, you're given 507 Silver Coins making it large for collecting later on. However, this one needs timing as the nexus must be unlocked before you reach the second shop at F6. Considering there are other five signets to be prioritized, getting Pardofelis' signets is restricted unless you sacrifice time and deal less DMG than intended. If you still want to use it as reinforcement, the nexus should be unlocked before the final shop at F16. [Merchant's Philosophy] can make your Silver Coins grow but it needs you to keep at least 200-300 Silver Coins for it to expand.
✦ Griseo: Signets of Stars
▸ Normal Signets: Red & Hot ➝ Yellow & Warm
Red and Yellow require Weapon Active and ULT respectively which are Chrono Navi's rotational playstyle. It's pretty good since the former make enemies take bonus Physical & Elemental DMG + TDM.
✦ Kevin: Signets of Deliverance
▸ Normal Signets: Artifact of the Inhibitor ➝ Goblet of Giver ➝ Brand of the Undead
▸ Nexus Signet: Blade of the Deliverer
▸ Enhanced Signets: Crusade of the Deliverer ➝ Echo of the Deliverer
Chrono Navi isn't really that much of a burst DMG dealer considering she's a support but nevertheless, you can try and go for it since Kevin's signets are good for ULTs.
✦ Mobius: Signets of Infinity
▸ Normal Signets: Lodging [C] ➝ Dark Pupil [T]
This is more of a preference if you feel like your Support Valkyries and ELFs can help you clear a stage by the edge which certainly helped me in the past. This is very low priority as this is focused on support rather than buffing the Valkyrie's DMG.

Λ Final Notes Λ
✦ Make use of your Portal Resets.
✦ Check the Portals you're standing in front of, really.
✦ Don't use Portal Reset at the very start of the game.
✦ Out of Portal Resets? Don't like the two signets? Felis' Shop is open, dear customer~! And hope that the next two portals are better. While you're in there choose or upgrade the signets you deem helpful.
✦ Felis' Shop appears on F5/F6, F9/F10, F13/14, F16 so check your signets wisely.
✦ So you're in the Felis' shop and nothing catches your eye? Make sure to take advantage of the free refresh and maybe something you want will appear.
✦ Depending on your gear, composition, and signet luck can make your run faster.
✦ Most importantly, have fun!

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You'll help Ai-chan achieve her dreams, won't you?

see more v6.2 beta guides...
| ✦ || ✦ || ✦ |
Honkai Impact 3rd v6.2: [The Chrono and the Hare] Overview Guide
[v6.2 beta] Idol Transformation · Ai || Stigmata Guide
[v6.2 beta] Rudder in Dream || Weapon Guide
[v6.2 beta] Rudder in Dream Λ-I || PRI-ARM Guide
» [v6.2 beta] Chrono Navi || Elysian Realm Guide «
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