4 Star Hero Unlock Potential Tier List | Fire Emblem Heroes

4 Star Hero Tier List

This is a tier list for the best 4 Star Heroes to Unlock Potential for in FEH. Use this tier list to know whether or not the 4 star heroes you pulled should be rerolled, or if you want to find out who the best 4 star heroes are.

4 Star Hero Unlock Potential Tier List

S Rank: Spend Your Feathers Here!

Hero Rarities Upgraded to 5★
Aversa - Dark One Image Aversa Recommended IVs: Base Values
Aversa’s Night can be unlocked
・Inflicts an extremely powerful penalty on all foes
Arvis - Emperor of Flame Image Arvis Recommended IVs: Base Values
Valflame can be unlocked
・The Exclusive Skill Recover Ring is unlocked as well
Tharja - Dark Shadow Image Tharja Recommended IVs: +Spd
Tharja's Hex can be unlocked
・4★ with +10 merges is also a good option
Black Knight - Sinister General Image Black Knight Recommended IVs: Base Values
Alondite and Black Luna can be unlocked
・Can counterattack at any range
Xander - Paragon Knight Image Xander Recommended IVs: Base Values
Siegfried can be unlocked
・Can counterattack at any range
Reinhardt - ThunderReinhardt Recommended IVs: +Atk
Dire Thunder can be unlocked
Ranks among the top attackers of all Heroes
Naesala - SkyNaesala Recommended IVs: Base Values
Raven King Beak can be unlocked
・A flying attacker who is capable of moving 3 spaces
Camus - Sable Knight Image Camus Recommended IVs: Base Values
Gradivus can be unlocked
・Can counterattack at any range
Reyson - White Prince Image Reyson Recommended IVs: Base Values
Heron Wing can be unlocked
・Skillselt allows for movement up to 3 spaces and gies him a refresher skill
Nino - Pious Mage Image Nino Recommended IVs: +Spd
Gronnblade+ can be unlocked
・4★ with a +10 merge is also a great option
Klein - Silver Nobleman Image Klein Recommended IVs: +Atk
Brave Bow+ and Quick Riposte 3 can be unlocked
・4★ with +10 merges is another good option
Gordin - Altean Archer Image Gordin Recommended IVs: +Spd
・Unlocks Renowned Bow
・Can unleash powerful consecutive attacks

A Rank: Solid Option to Invest Feathers In

Hero Rarities Upgraded to 5★
Astram - MidiaAstram No Access to IVs
・Unlocks Mercurius
・Buffs nearby physical attackers
Itsuki - Finding a Path Image Itsuki Recommended IVs: Base Values
・Unlocks Mirage Falchion
・Powerful against dragons
Marth - Altean Prince Image Marth Recommended IVs: +Atk
Falchion can be unlocked
・Weapon is effective against dragons and grants HP recovery
Titania - Warm Knight Image Valentine's Titania Recommended IVs: Base Values
Loyal Wreath+ can be unlocked
・Very valuable as a Red Tome-wielding unit
Joshua - Tempest King Image Joshua Recommended IVs: Base Values
Audhulma can be unlocked
・Balanced Hero with excellent stats and very high defense
Marth - Enigmatic Blade Image Masked Marth Recommended IVs: Base Values
Falchion can be unlocked
・Powerful anti-dragon
Tiki - NagaTiki (Adult) Recommended IVs: +Def
Lightning Breath+ can be unlocked
・4★ with +10 merges is also a great option
Caeda - TalysCaeda Recommended IVs: +Atk
Wing Sword can be unlocked
・Useful as an anti-armor or anti-cavalry unit
Ares - Black Knight Image Ares Recommended IVs: +Atk
Dark Mystletainn can be unlocked
・Can use specials in succession
Rinea - Reminiscent Belle Image Rinea Recommended IVs: Base Values
・Unlocks Silver Goblet+
・No need to unlock potential if only using for her refresher assist
Delthea - TatarrahFallen Delthea Recommended IVs: Base Values
・Unlocks Death
・Excellent attack phase unit
Mordecai - Kindhearted Tiger Image Mordecai Recommended IVs: +Def
・Unlocks Sabertooth Fang
・Very good Def tank
Panne - Proud Taguel Image Panne Recommended IVs: Base Values
Taguel Fang can be unlocked
・High mobility and holds a weapon that is effective against cavalry foes
Nowi - Eternal Youth Image Nowi Recommended IVs: +Def
Lightning Breath+ can be unlocked
・4★ with +10 merges is another good option
Kana - Dragon Spawn Image Kana (M) Recommended IVs: Base Values
Brazen Def/Res 3 can be unlocked
・A dragon unit with very high defense
Clair - Highborn Flier Image Clair Recommended IVs: +Atk
Rhomphaia can be unlocked
・Possesses an extremely strong weapon that is effective on armored and cavalry units
Est - Junior Whitewing Image Est Recommended IVs: +Atk
Whitewing Spear can be unlocked
・A top contender for an all-Flying party
Effie - Army of One Image Effie Recommended IVs: +Atk
Death Blow 3 can be unlocked
・Has an amazing Atk stat
Azura - Young Songstress Image Azura (Young) Recommended IVs: Base Values
Book of Shadows can be unlocked
・A powerful tome attacker with a refresher skill
Cecilia - Etrurian General Image Cecilia Recommended IVs: +Atk
Gronnraven+ can be unlocked
・4★ with +10 merges is also a good option
Fae - Divine Dragon Image Fae Recommended IVs: +Def
Light Breath+ can be unlocked
・4★ with +10 merges is also a good option
Python - Apathetic Archer Image Python Recommended IVs: +Spd
・Unlocks Short Bow+
・One of the few green bow cavalry units
Cherche - Wyvern Friend Image Cherche Recommended IVs: +Atk
Cherche's Axe can be unlocked
・Being able to attack in succession makes her very powerful
Kagero - Honorable Ninja Image Kagero Recommended IVs: +Atk
Poison Dagger+ can be unlocked
・This weapon is ranged and effective on infantry units, making it very easily applicable
Louise - Eternal Devotion Image Louise No IVs available
・Unlocks Bouquet Bow+
・Easy to include in a cavalry party thanks to Hone Cavalry
Kronya - Gleaming Blade Image Kronya No IVs available
・Unlocks Athame
・Weapon skill has Vantage built into it

B Rank: Unlock Potential if you Have Extra Feathers

Hero Rarity Upgraded to 5★
Soleil - Adorable Adorer Image Soleil Recommended IVs: +Spd
Firesweep Sword+ can be unlocked
・Extremely powerful attacker
Hana - Focused Samurai Image Hana Recommended IVs: +Spd
・Unlocks Hana's Katana
・Anti armor unit with good Atk and Spd
Zephiel - The Liberator Image Zephiel Recommended IVs: Base Values
Eckesachs can be unlocked
・Armored unit with excellent stats
Eirika - Restoration Lady Image Eirika Recommended IVs: +Atk
Sieglinde can be unlocked
・Best saved for after you have unlocked the Weapon Refinery
Seliph - Heir of Light Image Seliph Recommended IVs: +Atk
・Unlocks Tyrfing
・Can add the effect of Miracle via the Weapon Refinery
Silvia - Traveling Dancer Image Silvia Recommended IVs: +Spd
・Works great in a movement refresher type role
・You do not need to use Unlock Potential if you only intend to use her for Dance. 4★ with +10 merges is another good option
Fiora - Defrosted Illian Image Summer Fiora No Access to IVs
・Unlocks Petal Parasol+
・Flying unit with balanced stats
Kempf - Conniving General Image Kempf No Access to IVs
・Unlocks Venin Edge
・Inflicts area damage to nearby foes after combat
Alfonse - Prince of Askr Image Alfonse Recommended IVs: Base Values
Fólkvangr can be unlocked
・Can be made into an Arena Score Booster or a Quests and Missions Hero
Garon - King of Nohr Image Garon Recommended IVs: Base Values
Breath of Blight can be unlocked
・Neutralizes "effective against dragons" bonuses
Sophia - Nabata Prophet Image Sophia Recommended IVs: +Def
・Unlocks Eternal Tome
・Very powerful against colorless foes
Lyon - Shadow Prince Image Lyon Recommended IVs: Base Values
Naglfar can be unlocked
・Recommended for players who do not have a red-tome wielding Hero with Rauðrraven+
Morgan - Lad from Afar Image Morgan (M) Recommended IVs: +Spd
Grima's Truth can be unlocked
・Turns foe's bonuses into penalties
Arden - Strong and Tough Image Arden Recommended IVs: Base Values
・The Exclusive Skill Follow-Up Ring can be unlocked
・Extremely high HP and Def
Eir - Renewed Life Image New Year Eir No Access to IVs
・Unlocks Temari+
・Excellent debuff support
Laegjarn - New Experiences Image New Year Laegjarn Recommended IVs: Base Values
Wagasa+ can be unlocked
・Having 2 debuff skills makes her incredibly useful
Brunnya - Devoted General Image Brunnya No Access to IVs
・Unlocks Fimbulvetr
・Nullifies penalties and converts to bonuses
Tailtiu - Thunder Noble Image Tailtiu Recommended IVs: +Spd
Blárblade+ can be unlocked
・An excellent pick for a high Atk/high Spd attacker
Roderick - Steady Squire Image Roderick Recommended IVs: +Spd
Firesweep Lance+ can be unlocked
Allows him to strike foes without being counterattacked
Lukas - Sharp Soldier Image Lukas Recommended IVs: +Def
Killer Lance+ can be unlocked
・Def stat ranks among the top of all Heroes
Sigrun - Loyal Protector Image Sigrun No Access to IVs
・Unlocks Reprisal Lance+
・Easy to use in a flier party thanks to Hone Fliers
Cordelia - Knight Paragon Image Cordelia Recommended IVs: +Atk
Brave Lance+ can be unlocked
・An excellent pick for a high Atk/high Spd attacker
Thea - Stormy Flier Image Thea Recommended IVs: +Def
・Unlocks Vanguard+
・A flier with balanced stats
Cormag - Aloof Lanceman Image Cormag No Access to IVs
・Unlocks Slaying Lance+
・Flying unit with high Atk and Def
Eliwood - Devoted Love Image Valentine's Eliwood Recommended IVs: Base Values
Fire Boost 3 can be unlocked
・Armored unit with excellent stats
Robin - High Deliverer Image Robin (M) Recommended IVs: +Def
Tactical Bolt can be unlocked
・Upgrading via the Weapon Refinery grants excellent team bonuses
Sharena - Princess of Askr Image Sharena Recommended IVs: Base Values
Fensalir can be unlocked
・Can be made into an Arena Score Booster or a Quests and Missions Hero
Saias - Bishop of Flame Image Saias Recommended IVs: Base Values
Wargod's Tome can be unlocked
・Unique Weapon inflicts two penalties on foes
Silas - Loyal Knight Image Silas Recommended IVs: +Def
・Unlocks Slaying Spear+
・High Def and effective on armored units
Conrad - Masked Knight Image Conrad No Access to IVs
・Unlocks Barrier Lance+
・Cavalry unit with high defensive stats
Valbar - Open and Honest Image Valbar Recommended IVs: +Def
・Unlocks Brave Lance+
・Excellent candidate for Wary Fighter
Echidna - Unyielding Idealist Image Echidna Recommended IVs: +Spd
・Unlocks Rearguard+
・Attack phase axe unit with balanced stats
Ross - His FatherRoss Recommended IVs: +Atk
・Unlocks Brave Axe+
・With a high Atk stat, can deal tons of damage if striking twice
Dorcas - Pumpkin Smasher Image Halloween Dorcas Recommended IVs: Base Values
Hack-o'-Lantern+ can be unlocked
・Works well in a tank-like role
Linus - Mad Dog Image Linus Recommended IVs: Base Values
Basilikos can be unlocked
・Recommended for players who do not have a Hero with Raven
Ylgr - Breaking the Ice Image Summer Ylgr No Access to IVs
・Unlocks Shoreline Rake+
・High Spd and easy to use
Hawkeye - Desert Guardian Image Hawkeye No Access to IVs
・Unlocks Guardian's Axe
・Great defensive stats to tank attacks
Walhart - The Conqueror Image Walhart Recommended IVs: Base Values
Wolf Berg can be unlocked
・High Atk and Def stats
Boey - Skillful Survivor Image Boey Recommended IVs: +Def
・Unlocks Inscribed Tome
・Powerful against colorless foes, and can gain close counter through the Weapon Refinery
Camilla - Bewitching Beauty Image Camilla Recommended IVs: Base Values
・Unlocks Camilla's Axe
・Flying unit with balanced stats
Titania - Mighty Mercenary Image Titania Recommended IVs: +Def
Draconic Poleax can be unlocked
・Upgrading via the Weapon Refinery grants excellent team bonuses
Robin - Mystery Tactician Image Robin (F) Recommended IVs: Base Values
Tactical Gale and Gronnwolf+ can be unlocked
B Tomebreaker 3 is a very useful skill
Michalis - Ambitious King Image Michalis Recommended IVs: Base Values
Hauteclere can be unlocked
・A flying attacker with amazing Atk and Def stats
Frederick - Polite Knight Image Frederick Recommended IVs: +Atk
・Unlocks Frederick's Axe
・Anti armor unit with high Atk and Def
Anna - Commander Image Anna Recommended IVs: Base Values
Nóatún can be unlocked
・Can be made into an Arena Score Booster or a Quests and Missions Hero
Leo - Extra Tomatoes Image Picnic Leo No Access to IVs
・Unlocks Sandwiches!+
・Excellent for tanking ranged attacks with Quick Riposte 3 and Distant Def
Jaffar - Angel of Night Image Winter Jaffar No Access to IVs
・Unlocks Minty Cane+
・High defensive stats and good at tanking ranged attacks
Loki - Spring Trickster Image Spring Loki No Access to IVs
・Unlocks Beguiling Bow+
・One of the few flying archers
Rolf - Tricky Archer Image Rolf No Access to IVs
・Unlocks Candlewax Bow+
・Easy to use with default skillset
Cecilia - Festive Instructor Image Winter Cecilia Recommended IVs: Base Values
Goodie Boot+ can be unlocked
・A rare dagger-wielding armored Hero
Takumi - Wild Card Image Takumi Recommended IVs: Base Values
Close Counter can be unlocked
・Allows him to counterattack even non-ranged foes
Takumi - Empty Vessel Image Fallen Takumi Recommended IVs: Base Values
Skadi can be unlocked
・This skill triggers on the third turn and is very powerful
Saizo - Angry Ninja Image Saizo Recommended IVs: +Spd
Smoke Dagger+ can be unlocked
・Best saved for after you have unlocked the Weapon Refinery
Sothe - Zephyr Image Sothe Recommended IVs: +Atk
Peshkatz can be unlocked
・A dagger-weilding unit capable of dealing heavy damage
Felicia - Maid Mayhem Image Felicia Recommended IVs: +Atk
Felicia's Plate can be unlocked
・Gains the ability to calculate damage using the lower of a foe's Def and Res
Ethlyn - Spirited Princess Image Ethlyn Recommended IVs: Base Values
Spd/Def Bond 3 can be unlocked
・A fantastic support unit
Nanna - Nordion Princess Image Nanna Recommended IVs: +Spd
Restore+ can be unlocked
・A high Spd staff-wielding cavalry unit
Mercedes - Kindly Devotee Image Mercedes Recommended IVs: +Def
Gravity+ can be unlocked
・Excellent Res tank

Unlock Potential Summary

This tier list is based on our recommendations for using Unlock Potential on 4★ Heroes. 4★+10 Heroes have the same stats as 5★+5 Heroes, so it is sometimes better to continue to Merge Allies with a 4★ Hero instead of using Unlock Potential to increase their rarity. For this reason, you should prioritize Heroes who gain powerful Exclusive Skills at 5★ or Heroes that you simply love when using Unlock Potential.

Other Tier Lists

Hero Rankings: Top Page

Tier List

▶︎Go back to the Hero Tier List

Tier Lists
Hero Tier ListHero Tier List Reroll Tier List.pngReroll Tier List Skill Tier ListSkill Tier List
Best Source HeroesSource Heroes Weapon Refinery Tier ListWeapon Refinery Unlock Potential Tier ListUnlock Potential


3 Anonymous25 days

female robin does not unlock draconic poleaxe ?

2 yogibearcub2 months

so glad that reyson got demoted. I went from +4 to +8 merge under 3 months I love it when my favorite 5* exclusives get demoted tbh

    The Like Feature

    You can save a comment for later by giving it a Like.
    As a member:Get access to several features!

    Opinions about an article or post go here.
    Opinions about an article or post
    We at Game8 thank you for your support.
    In order for us to make the best articles possible, share your corrections, opinions, and thoughts about "4 Star Hero Unlock Potential Tier List" with us!
    When reporting a problem, please be as specific as possible in providing details such as what conditions the problem occurred under and what kind of effects it had.

    Walkthrough Menu

    New Comment

    • >>[155] sounds good imo. enemy phase monster. hey, if it works, it works!

    • >>[18] I'd say take the -Spd/Res because he does not really need Spd and the extra Res helps.
      for B skills, you can pick whatever you need for Hector. Both are good but I think Special Fighter is better since it works for both phases. Bold fighter only works in the player phase (when attacking)
      with the new weapon refine, he becomes a solid multi-phase unit so hmm I thinnk get special fighter

    All rights reserved

    Back to the Top
    Cookies help us deliver our services. By using our services, you agree to our use of cookies. Learn more