Fallen Sonia Weaknesses and Boss Guide
☆ How to Unlock All 36 Characters
★ Tier Lists: Best Characters and Best Jobs
☆ Farming Guides: EXP, JP, Money
★ Forbidden Weapon Locations
☆ Battle-Tested Equipment Locations
★ Endings Guide | Post-Game Guide
Fallen Sonia is a Boss in Octopath Traveler 0 (Octopath 0). Check out the stats and weaknesses of Fallen Sonia, how to beat, and general tips on how to defeat Fallen Sonia!
List of Contents
Fallen Sonia Overview
Stats and Weaknesses
| Enemy Information | |
|---|---|
Fallen Sonia
|
|
| Shield Points (SP) | 17 SP  |
| Weaknesses | 
|
How to Beat Fallen Sonia
| Boss Tips |
|---|
|
|
Select Multi-Hit Skills to Break Her Shield
| Skill | User | Details |
|---|---|---|
 Rain of Arrows
|
 Protagonist  H'aanit  Elrica
|
Damage Type:
SP Cost: 12 Bows
Deal bow damage to random foes 5 to 8 time(s). |
|
Stormblade
|
 Reime
|
Damage Type:
SP Cost: 36 Swords
Deal sword damage to a foe 3 to 5 time(s). |
Fallen Sonia is weak to Swords and Bows, two common high physical damage weapon types, so use skills such as Stormblade from Reime, and Rain of Arrows from Hunters like your protagonist, Phenn, or H'aanit to break her shield much faster.
Use Physical Attack Buffs and Defense Debuffs
| Skill | User | Details |
|---|---|---|
 Bolster
|
 Richard
|
Damage Type: N/A
SP Cost: 24 Raise Phys. Atk./Elem. Atk. of the entire front row or entire back row for 2 turn(s). |
 Armor Corrosive
|
 Therion
|
Damage Type: N/A
SP Cost: 6 Lower Phys. Def. of a foe for 2 turn(s). |
|
Lower Defenses
|
 Heidne  Bargello  Solon
|
Damage Type: N/A
SP Cost: 6 Lower Phys. Def./Elem. Def. of a foe for 2 turn(s). |
For characters without Swords or Bows, focus on buffing the party’s physical attack and lowering Fallen Sonia’s physical defense. Since she is weak to swords and bows, your damage dealers using those weapons will be able to tear through her quickly.
Bolster from Richard is especially effective, as it buffs an entire row, and pairing it with boss debuffs like Lower Defenses to further increase the physical damage output on Fallen Sonia..
Fallen Sonia Location
Hell: White Grape Hill During Hill of the Dead Quest
Fallen Sonia is encountered in the White Grape Hill in Hell during the Hill of the Dead main quest. This is Chapter 2 of the Bestower of All questline.
Osterra Map and List of Regions
Octopath Traveler 0 Related Guides
List of All Main Bosses
| Prologue | |
|---|---|
| Emerald Direwolf | Scarlet Wings Corporal |
| Kindlers of the Flame | |
| Spiked Skinks | Lizardmen Leader |
| Master of Wealth | |
| Captain Tristan | Sonia |
| Rosso | Lady Herminia |
| Master of Power | |
| Al the Servant | Jurgen |
| Snow Yak | Jurgen (2nd Fight) |
| Commander Tytos | |
| Master of Fame | |
| Aide (Vanguard) | Aide (Rearguard) |
| Francesca the Actress | Auguste the Playwright |
| Finale: The Rings Sealed Away | |
| Sazantos | Ring-Sealed Beast |
| Master of All | |
| Mesara the Thief | M'suhi the Viper |
| Gimel the Brigand Leader | Cerro the Emissary |
| Gonzalez the Ironarm | Gonska the Jester |
| General Krauser | King Pardis III |
| Bestower of Wealth | |
| Delvecchio | Remone and Mandarino |
| Judah the Believer | Oskha the Have-Not |
| Oskha the Trader | |
| Bestower of Power | |
| Captain Na'gu | Pelagia the Conjurer |
| Empress Tatloch | |
| Bestower of Fame | |
| Monaris the Monstrous | Ceraphina the Charitable |
| Lyblac | |
| Bestower of All | |
| Fallen Mahrez | Fallen Sonia |
| Fallen Elrica | - |
| ??? (Secret Boss) |
??? (Superboss) |
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