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This is a ranking page for the hero Sonia - Inhuman Beauty from the game Fire Emblem Heroes (FEH). Read on to learn the best IVs (Individual Values), best builds (Inherit Skill), weapon refinement, stats at Lv 40, and more for Sonia.
List of Contents

| Overall Rating | 8.0/10 |
|---|---|
| Reroll Ranking (excluding Inherit Skill) |
- (▶Reroll Ranking) |
| Ranking (including Inherit Skill) |
B (▶FEH Tier List) |
| Color / Weapon Type / Move Type | |
|---|---|
| Rarity | |
| What Kind of Character Are They? | ・Refined Fimbulvetr Morn grants 【Essence Drain】, and 【Bonus Doubler】 to Sonia and one ally, grants true damage, true damage reduction, a guaranteed follow-up attack, and post-combat healing to Sonia. |
|
Might: 14 Range: 2 At start of combat, if unit's HP ≥ 25%, inflicts Atk/Res-6 on foe during combat, deals damage = 20% of unit's Res (excluding area-of-effect Specials), reduces damage from foe's first attack by 7 ("first attack" normally means only the first strike; for effects that grant "unit attacks twice," it means the first and second strikes), and inflicts Special cooldown charge -1 on foe per attack during combat (only highest value applied; does not stack). |
|
Cooldown Count = 4 Boosts damage dealt by 80% of unit’s Res. |
|
Grants Def/Res +4. Inflicts Atk -3. |
|
At start of turn, inflicts Atk/Res-4 on foes within 2 spaces through their next actions. |
| Stat | Superboon/Superbane | IV Recommendation |
|---|---|---|
| HP (18) |
|
★★★☆☆ |
| Atk (21) |
|
★★★★★ |
| Spd (5) |
|
★★★☆☆ |
| Def (8) |
|
★★★★☆ |
| Res (9) |
|
★★★★☆ |
◯ = Stat gains +4 with a superboon, ✕= Stat goes down by -4 with a superbane, - = No assets or flaws
| See the IV Checker for All Units | Trait Fruits—How to Change IVs |
When using an Ascendant Floret, we recommend getting the next superboon if it fits the hero. If not, consider what stat your hero needs most.
As a hero obtainable only through Grand Hero Battle, Sonia will always have neutral IVs by default. The only way to access IVs for this unit is through using Trait Fruits.
The best IVs for Sonia are +Atk/Spd. Because her Spd stat is already low, it's good to have it as a bane and increase her Atk.
With the Quick Riposte 3 seal, she'll potentially be able to tank and counterattack ranged enemy units.
However, because Sonia's not a very powerful unit to begin with, we recommend not investing a Trait Fruit in her to change her stats.
If you are merging Sonia, it's recommended to increase her Spd. This, at least, will get her to 32 Spd at +10, and reinforcing this with skills and Seals will allow her to potentially double enemy units.
If you would like to focus on one-shotting enemy units, you can +Atk her instead.
| HOT | |
|---|---|
|
|
|
This build imitates Fallen Nergal's role by being bulky enough to sustain attacks while providing Essence Drain support to an ally.
|
|
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This budget build uses cheap skills available on common units to improve Sonia's performance while providing Essence Drain support to an ally.
| Exclusive Weapon Effect from Refining (Special Effect Type) | |
|---|---|
| SP: 400 | |
| Might: 14 Range: 2 HP: At start of combat, if unit's HP ≥ 25%, inflicts Atk/Res-6 on foe during combat, deals damage = 20% of unit's Res (excluding area-of-effect Specials), reduces damage from foe's first attack by 7 ("first attack" normally means only the first strike; for effects that grant "unit attacks twice," it means the first and second strikes), and inflicts Special cooldown charge -1 on foe per attack during combat (only highest value applied; does not stack). At start of turn, if unit's HP ≥ 25%, grants Atk/Res+6, 【Essence Drain】, and 【Bonus Doubler】 to unit and target allies for 1 turn (if support partner is on player team, targets any support partner within 2 spaces of unit; otherwise, targets ally with the highest Atk within 2 spaces of unit). At start of combat, if unit's HP ≥ 25%, inflicts Atk/Res-6 on foe during combat, unit makes a guaranteed follow-up attack, and restores 7 HP to unit after combat. |
|
At the start of each turn, refined Fimbulvetr Morn grants Atk/Res+6, 【Essence Drain】, and 【Bonus Doubler】 to Sonia and either her support partner within 2 spaces or the ally with the highest Atk within 2 spaces (if support partner is not present).
【Essence Drain】 is a powerful effect first introduced by Fallen Nergal and allows the unit with 【Essence Drain】 to steal foe's bonus effects. 【Essence Drain】 alone made Fallen Nergal a top tier unit, and now Sonia gains a similar effect, albeit not as powerful as it only grants 【Essence Drain】 to Sonia and one ally.
Refined Fimbulvetr Morn also inflicts Atk/Res-12 and a Guard effect onto Sonia's foe during combat and grants Sonia true damage equal to 20% of her Res, 7 true damage reduction on her foe's first attack, a guaranteed follow-up attack, and 7 HP post-combat healing.
| Neutral Stats at Lv. 40 (5★) | ||
|---|---|---|
| 166 | ||
| HP |
40 |
Rank: 489/1322 |
| Atk |
35 |
Rank: 736/1322 |
| Spd |
24 |
Rank: 980/1322 |
| Def |
32 |
Rank: 383/1322 |
| Res |
35 |
Rank: 195/1322 |
| HP | Atk | Spd | Def | Res | Total | |
|---|---|---|---|---|---|---|
| +10 Merges W/ Skill Bonuses | 45 | 49 | 28 | 40 | 44 | 206 | Lv.40 +10 | 45 | 40 | 28 | 36 | 40 | 189 |
| HP | Atk | Spd | Def | Res | Total | |
|---|---|---|---|---|---|---|
| +HP Lv.40 +10 | 47 | 39 | 28 | 36 | 39 | 189 |
| +Atk Lv.40 +10 | 44 | 42 | 28 | 36 | 39 | 189 |
| +Spd Lv.40 +10 | 44 | 39 | 32 | 36 | 39 | 190 |
| +Def Lv.40 +10 | 44 | 39 | 28 | 39 | 39 | 189 |
| +Res Lv.40 +10 | 44 | 39 | 28 | 36 | 42 | 189 |
| HP | Atk | Spd | Def | Res | Total | |
|---|---|---|---|---|---|---|
| 5★- Adjusted for Skills | 40 | 44 | 24 | 36 | 39 | 183 |
| 5★ Lv.40 | 40 | 35 | 24 | 32 | 35 | 166 |
| 4★ Lv.40 | 37 | 33 | 22 | 29 | 33 | 154 |
| 3★ Lv.40 | 36 | 31 | 21 | 28 | 31 | 147 |
| HP | Atk | Spd | Def | Res | Total | |
|---|---|---|---|---|---|---|
| 5★ Lv.1 | 18 | 21 | 5 | 8 | 9 | 61 |
| 4★ Lv.1 | 17 | 17 | 4 | 7 | 9 | 54 |
| 3★ Lv.1 | 17 | 14 | 4 | 7 | 8 | 50 |
| Hero |
HP |
Atk |
Spd |
Def |
Res |
Total |
|---|---|---|---|---|---|---|
| 40 | 48 | 38 | 18 | 49 | 193 | |
| 40 | 49 | 18 | 32 | 49 | 188 | |
| 40 | 48 | 36 | 17 | 47 | 188 | |
| 40 | 45 | 31 | 23 | 43 | 182 | |
| 39 | 46 | 30 | 21 | 46 | 182 | |
| 40 | 43 | 32 | 19 | 43 | 177 | |
| 40 | 44 | 27 | 20 | 46 | 177 | |
| 43 | 39 | 25 | 23 | 40 | 170 | |
|
|
40 | 35 | 24 | 32 | 35 | 166 |
| 36 | 41 | 32 | 17 | 39 | 165 | |
| 40 | 39 | 28 | 19 | 36 | 162 | |
| 42 | 35 | 31 | 21 | 33 | 162 | |
| 41 | 38 | 17 | 35 | 30 | 161 | |
| 35 | 35 | 28 | 18 | 35 | 151 | |
| 38 | 37 | 33 | 20 | 23 | 151 |
Note: Stats bonuses from skills are not taken into account.
Sonia is a ranged magic attacker (range = 2). Therefore, when not accounting for the Weapon Triangle, the amount of damage she deals will be equivalent to her Atk minus the foe's Res stat.
At the start of each turn, refined Fimbulvetr Morn grants Atk/Res+6, 【Essence Drain】, and 【Bonus Doubler】 to Sonia and either her support partner within 2 spaces or the ally with the highest Atk within 2 spaces (if support partner is not present).
【Essence Drain】 is a powerful effect first introduced by Fallen Nergal and allows the unit with 【Essence Drain】 to steal foe's bonus effects. 【Essence Drain】 alone made Fallen Nergal a top tier unit, and now Sonia gains a similar effect, albeit not as powerful as it only grants 【Essence Drain】 to Sonia and one ally.
Refined Fimbulvetr Morn also inflicts Atk/Res-12 and a Guard effect onto Sonia's foe during combat and grants Sonia true damage equal to 20% of her Res, 7 true damage reduction on her foe's first attack, a guaranteed follow-up attack, and 7 HP post-combat healing.
Despite being tanky, Sonia possessed low Spd, making her easily doubled by a lot of other units.
Keep her away from foes that can land doubles or even quads against her to ensure her survival.
| Should You Unlock Potential for this Hero? |
|
|---|
We cannot recommend you to Unlock Potential to make Sonia - Inhuman Beauty a 5 Star Hero. Sonia - Inhuman Beauty is difficult to make use of except under specific conditions. Unless Sonia - Inhuman Beauty is a favorite character of yours or you have excess Hero Feathers to spare, we recommend you pass on Unlocking their Potential.
| Skill Name | Might | Range | Effect | Learned At |
|---|---|---|---|---|
| 8 | 2 | Grants Def/Res +6 during combat if foe initiates combat and uses bow, dagger, magic, or staff. | 3★ | |
| 12 | 2 | Grants Def/Res +6 during combat if foe initiates combat and uses bow, dagger, magic, or staff. | 5★ | |
| 14 | 2 | At start of combat, if unit's HP ≥ 25%, inflicts Atk/Res-6 on foe during combat, deals damage = 20% of unit's Res (excluding area-of-effect Specials), reduces damage from foe's first attack by 7 ("first attack" normally means only the first strike; for effects that grant "unit attacks twice," it means the first and second strikes), and inflicts Special cooldown charge -1 on foe per attack during combat (only highest value applied; does not stack). | 5★ |
| This Hero has no Assist skills that can be learned. |
| Skill Name | Effect | Learned At |
|---|---|---|
| (Cooldown Count = 4) Boosts damage dealt by 50% of unit’s Res. | 3★ | |
| (Cooldown Count = 4) Boosts damage dealt by 80% of unit’s Res. | 4★ |
| Skill Name | Effect | Learned At |
|---|---|---|
| Grants Res +3. Inflicts Atk -3. | 3★ | |
| Grants Def/Res +3. Inflicts Atk -3. | 4★ | |
| Grants Def/Res +4. Inflicts Atk -3. | 5★ | |
| Inflicts Res -3 on foes within 2 spaces through their next actions at the start of each turn. | 3★ | |
| At start of turn, inflicts Atk/Res-3 on foes within 2 spaces through their next actions. | 3★ | |
| At start of turn, inflicts Atk/Res-4 on foes within 2 spaces through their next actions. | 4★ |

| Value of Skills | ★★☆☆☆ |
|---|
Sonia's whole kit carries inheritance value. Be warned though as you can only get a limited number of Sonia copies from the Heroic Grail shop.
Sonia is a Hero who, for a limited time, can be obtained through completing a Grand Hero Battle for the first time. They do not appear in regular summons. After the event has ended, they can be obtained by using Heroic Grails.
| Voice Actor (English) |
Larissa Gallagher |
|---|---|
| Illustrator | Yoneko |
| Appears In |
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▶︎Return to the Blue Heroes Page
| Close-Range | Ranged |
|---|---|
Lance |
Blue Tome |
Blue Breath |
Blue Dagger |
Blue Beast |
Blue Bow |
Sonia Builds and Best IVs



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