Hikari, Dmitry & Sea-ah Hero Guide

01. The Three Heroes

Two of these three heroes do their best work while sitting in your hero list, doing nothing. Hikari speeds up your Hospital and Sea-ah speeds up your research, and both effects apply whether or not you ever deploy them. Only Dmitry has to actually leave the city to be worth anything.

All three are Epic quality, which sets their entire ceiling before you spend a single Fragment. They are numerically identical to the Epic heroes already in your roster — the same growth multipliers, the same five skill slots, the same star buff strength. Nothing here power-creeps anything you own.

Review the Epic Heroes stats and scaling info in the heroes guide

Full Name

Helpful Hikari

Class

Marksman

Type

Development

Stat Growth

0.80× Attack / HP growth (Epic standard) — same as every Epic hero

Skill	Slot	Effect	L1 → L5
Voice of Authority	Ultimate	All allied heroes and backups gain Attack and Attack Speed for 4 seconds, on a 9-second cooldown.	1.5% / 2.5% → 3.5% / 4.5%
Point-Blank Strike	Active	Damage equal to Attack multiplied by the value shown, on a 5-second cooldown.	150% → 210%
Rapid Deployment	Passive	Every third normal attack adds Attack Speed until the end of combat.	1% → 5%
On My Signal!	March	All Officers in the march gain Attack.	5% → 25%
Caring Heart	City	Hospital healing speed. Always on, from ownership alone.	10% → 50%

Full Name

Bloodhound Dmitry

Class

Biker

Type

Combat

Stat Growth

0.80× Attack / HP growth (Epic standard) — same as every Epic hero

Skill	Slot	Effect	L1 → L5
Savage Roar	Ultimate	All enemies lose Attack for 2 seconds. Deals no damage at all.	1% → 5%
Battle Cry	Active	Fires after Savage Roar. Dmitry and nearby allies gain Attack for 2 seconds.	15% → 35%
Hunter's Instinct	Passive	Permanent Attack Speed for Dmitry himself.	10% → 30%
Hunter's Sense	March	A debuff on the enemy squad. It is labelled Penetration but grants Damage Reduced — unconfirmed, see the Unconfirmed note in 05.	−4% → −20%
Born for the Chase	City	Criminal Pursuit speed. Counts only while Dmitry is in that march.	20% → 100%

Full Name

Spark Sea-ah

Class

Marksman

Type

Development

Stat Growth

0.80× Attack / HP growth (Epic standard) — same as every Epic hero

Skill	Slot	Effect	L1 → L5
Multi-Shot	Ultimate	Three rounds, the third hitting an area. Combined damage as a share of Attack.	375% → 485%
Suppressing Fire	Active	Damage equal to Attack multiplied by the first value, and the target loses Attack Speed for 2 seconds.	100% / 30% → 140% / 50%
Marksman's Instinct	Passive	Permanent Attack for Sea-ah herself.	8% → 24%
Fine-Tuned Firearms	March	A squad offensive stat. It is labelled Penetration but grants Squad Damage — unconfirmed, see the Unconfirmed note in 05.	5% → 25%
Blueprint Simulation	City	Tech research speed. Always on, from ownership alone.	3% → 15%

Defense growth is 1.00× for every class and every quality, so it is not listed per hero. Skill values are the Lvl 1 and Lvl 5 endpoints; Lvl 5 needs ★24.

02. Fragment Sources

You cannot pull these heroes from the recruitment banner. Their Fragments appear in no recruitment pool at all — not the standard banner, not the Epic banner, not the point box. The Defenders from Afar login event is the only place they come from, and that event hands you all three heroes outright rather than making you assemble them from Fragments.

That has one consequence worth planning around: every Fragment you ever collect for these three is surplus that goes straight into star levels. You never spend 10 Fragments to recruit anybody.

Hikari Fragment

Dmitry Fragment

Sea-ah Fragment

Topping Up After The Event

Once you own a hero, the Epic Universal Hero Fragment converts into that hero's own Fragment at a flat 1:1 rate. The exchange option only appears for heroes you have already recruited, so this buys stars — it can never buy you access to a hero you missed.

The Hero Token Shop is the only source with enough volume to matter. Its 420 limit is more than ten times the other three combined, and 3 Hero Tokens is the cheapest rate on the board. The Diamond option is a trap in the other direction: at 500 Diamonds each, the 10-purchase cap means Diamonds can never move you more than one star once you are past the early bands.

03. The Star Ladder

What Each Star Costs

The Four Breakpoints

Skill levels do not unlock smoothly. They unlock at exactly four stars, and everything between those stars buys you nothing but raw numbers.

Where The Event Leaves You

The Defenders from Afar free track gives 65 Fragments per hero. The paid pass adds 140 more. Both totals land on an exact star with nothing left over, which is not a coincidence.

The Second Wall: Skill Books

Stars only grant permission to level a skill. The levels themselves cost books, and the book bill is the part nobody budgets for. Each skill costs 10, then 30, then 50, then 75 books across its four upgrades — 165 books to take one skill from Lvl 1 to Lvl 5.

• ▸Battle skills (slots 1–3) take Epic Patrol Skill Books — 495 per hero to max all three.
• ▸City and march skills (slots 4–5) take Epic Deployment Skill Books — 330 per hero to max both.
• ▸All three heroes fully maxed costs 1,485 Patrol Books and 990 Deployment Books. The paid event pass grants 80 and 40.

That is roughly 5% of the book cost of maxing this set. Treat the pass books as a head start on one skill, not as progress toward finishing anybody.

04. The City Buffs

Hikari's Hospital buff and Sea-ah's research buff apply from ownership alone. They do not need the hero deployed, marching, garrisoned or set as a squad leader. Owning the hero with the skill unlocked is the entire requirement, and the buff then runs permanently in the background on every heal and every tech upgrade you ever start.

Both of those skills sit in slot 5, which unlocks at ★6. That is 10 Fragments — the first 10 of the 65 the free event track hands you. Ten Fragments is the best value in this entire guide, and most players will spend them on the wrong hero without noticing.

Skill	Hero	Lvl 1	Lvl 3	Lvl 5	Applies
Caring Heart	Hikari	+10%	+30%	+50%	Always on
Blueprint Simulation	Sea-ah	+3%	+9%	+15%	Always on
Born for the Chase	Dmitry	+20%	+60%	+100%	March only

Caring Heart raises Hospital healing speed. Blueprint Simulation raises tech research speed. Born for the Chase raises Criminal Pursuit speed.

05. March Contribution

Each hero grants both the Attack and the Defense buff for their class at the value shown. An Epic delivers 58.3% of a Legendary's star buff at the same star.

March Battle Skills

Skill slot 4 is a march combat effect, and it is the one skill on these heroes that is available from ★0 with no Fragments spent at all. Like the star buffs, it only fires when that hero is dispatched in the march.

Hikari's raises your Squad Attack. Dmitry's is a debuff applied to the enemy squad. Sea-ah's raises a squad offensive stat — but which one is where the files disagree with themselves.

06. Hero Battle Kits

Dmitry's ultimate is a decoy. Savage Roar deals no damage whatsoever and drops enemy Attack by under 5% for two seconds. The reason to cast it is the skill that fires immediately afterward: Battle Cry, which hands Dmitry and every nearby ally +35% Attack. That is the largest ally Attack buff of any hero in the comparison set, and it triggers automatically after every single ultimate with no cast of its own.

07. Build Priority

Spend your first 30 Fragments across all three heroes, not down one of them. Ten Fragments takes a hero to ★6 and switches on their permanent city or march skill; the eleventh Fragment onward buys progressively less. Three heroes at ★6 beats one hero at ★11 by a wide margin, and the free event track gives you enough to do it three times over.

Level and gear are a separate question from stars. Hero level runs to 80 and is gated against your Chief's Office level in bands, reaching a requirement of Chief's Office 25 for the last few levels. If your Chief's Office is behind, that cap binds before Fragments do — and levelling a hero you cannot push past the band wastes Hero EXP that a Legendary would use better.

08. Common Mistakes