| General | Quotes | Misc | Heroic Ordeal |
| Petra Princess of Brigid | |
|---|---|
Portrait
 Attack
 Special
 Damage
| |
| Description | Granddaughter of the king of Brigid, a vassal state of the Empire. Although her speech is not perfect, she gives her all in everything she does. Appears in Fire Emblem: Three Houses. |
| Rarities | 4  SR
|
| Weapon Type |  Blue Dagger
|
| Move Type |  Flying
|
| Voice Actor EN | Faye Mata |
| Voice Actor JP | 石上静香(Shizuka Ishigami) |
| Release Date | |
| Addition Date | |
| Entry |  Three Houses
|
| Version | 3.8 |
| Internal ID | PID_ペトラ (407)
|
| Origin | 120000200800 |
Stats
All stats have a degree of variation. The stat growth page explains how the variation works.
Level 1 stats
| Rarity | HP | Atk | Spd | Def | Res | Total |
|---|---|---|---|---|---|---|
1  | 15/16/17 | 3/4/5 | 7/8/9 | 3/4/5 | 2/3/4 | 35 |
2  | 15/16/17 | 4/5/6 | 8/9/10 | 3/4/5 | 2/3/4 | 37 |
3  | 16/17/18 | 4/5/6 | 8/9/10 | 4/5/6 | 3/4/5 | 40 |
4  | 16/17/18 | 5/6/7 | 9/10/11 | 4/5/6 | 3/4/5 | 42 |
5  | 17/18/19 | 5/6/7 | 9/10/11 | 5/6/7 | 4/5/6 | 45 |
Level 40 stats
| Rarity | HP | Atk | Spd | Def | Res | Total |
|---|---|---|---|---|---|---|
| 1 | 29/32/35 | 21/23/26 | 26/29/32 | 16/18/21 | 11/14/17 | 116~117 |
| 2 | 30/33/36 | 23/26/29 | 29/32/35 | 17/19/22 | 12/15/18 | 125~126 |
| 3 | 33/36/39 | 25/28/31 | 31/34/37 | 19/22/25 | 14/17/20 | 137 |
| 4 | 34/37/40 | 27/30/33 | 33/36/39 | 20/23/26 | 15/18/21 | 144 |
| 5 | 36/40/43 | 29/32/35 | 35/38/41 | 22/25/29 | 17/20/23 | 154~156 |
Growth Rates
This set of values, after being multiplied by a rarity factor, determines how much each stat will increase from level 1 to level 40, see stat growth.
| Rarity | HP | Atk | Spd | Def | Res | Total |
|---|---|---|---|---|---|---|
| 3 | 50% | 60% | 65% | 45% | 35% | 255% |
Stats between level 1 and 40
For stat values between level 1 and 40, see this page.
Skills[ | ]
Weapons[ | ]
| Name | Might | Range | Description | SP | Default | Unlock |
|---|---|---|---|---|---|---|
| Iron Dagger | 3 | 2 | After combat, if unit attacked, inflicts Def/Res-3 on foe through its next action. | 50 | 1 | 1 |
| Steel Dagger | 5 | 2 | After combat, if unit attacked, inflicts Def/Res-3 on foe through its next action. | 100 | 3 | 2 |
| Silver Dagger | 7 | 2 | After combat, if unit attacked, inflicts Def/Res-5 on foe through its next action. | 200 | 4 | 3 |
| Hunting Blade | 14 | 2 | Accelerates Special trigger (cooldown count-1). Effective against beast foes. At start of combat, if unit's Atk/Spd/Def/Res < that of an ally within 2 spaces, grants +5 to unit's corresponding stat during combat. Calculates each stat bonus independently. Effect:【Dagger ７】 【Dagger ７】 After combat, if unit attacked, inflicts Def/Res-７ on target and foes within 2 spaces of target through their next actions. | 400 | 5 | 5 |
Hunting Blade can be upgraded in the Weapon Refinery.
When upgraded, the description of Hunting Blade becomes "Accelerates Special trigger (cooldown count-1). Effective against beast foes. If unit is within 3 spaces of an ally, grants Atk/Spd/Def/Res+4 to unit during combat. At start of combat, if unit's Atk/Spd/Def/Res - 4 < the same stat of an ally within 3 spaces, grants +6 to unit's corresponding stat during combat. Calculates each stat bonus independently.
Effect:【Dagger ７】
【Dagger ７】
After combat, if unit attacked, inflicts Def/Res-７ on target and foes within 2 spaces of target through their next actions.".
Hunting Blade can be upgraded with the additional effect 
"At start of combat, if unit's HP ≥ 25%, grants Atk/Spd/Def/Res+4 to unit during combat, neutralizes effects that prevent unit's follow-up attacks, and at start of combat, if foe's HP = 100% and unit initiates combat, neutralizes effects that inflict "Special cooldown charge -X" on unit during combat and reduces damage from foe's first attack by 60%.".
Assists[ | ]
Specials[ | ]
| Name | Cooldown | Description | SP | Default | Unlock |
|---|---|---|---|---|---|
| New Moon | 3 | Treats foe's Def/Res as if reduced by 30% during combat. | 100 | 4 | 3 |
| Luna | 3 | Treats foe's Def/Res as if reduced by 50% during combat. | 200 | — | 4 |
Passives[ | ]
| Type | Name | Description | SP | Unlock | |
|---|---|---|---|---|---|
| A |  | Atk/Spd Form 1 | If unit is within 2 spaces of an ally, grants Atk/Spd+X to unit during combat (X = number of allies within 2 spaces; max 3). | 60 | 3 |
 | Atk/Spd Form 2 | If unit is within 2 spaces of an ally, grants Atk/Spd+X to unit during combat (X = number of allies within 2 spaces + 2; max 5). | 120 | 4 | |
 | Atk/Spd Form 3 | If unit is within 2 spaces of an ally, grants Atk/Spd+X to unit during combat (X = 2 × number of allies within 2 spaces, + 1; max 7). | 240 | 5 | |
| B |  | Aerobatics 1 | If unit's HP = 100%, unit can move to a space adjacent to any infantry, armored, or cavalry ally within 2 spaces. | 60 | 1 |
 | Aerobatics 2 | If unit's HP ≥ 50%, unit can move to a space adjacent to any infantry, armored, or cavalry ally within 2 spaces. | 120 | 2 | |
 | Aerobatics 3 | Unit can move to a space adjacent to any infantry, armored, or cavalry ally within 2 spaces. | 240 | 4 | |
| C |  | Ground Orders 1 | At start of turn, if unit's HP = 100%, grants the following status to adjacent infantry, armored, and cavalry allies for 1 turn: "Unit can move to a space adjacent to any ally within 2 spaces." | 60 | 3 |
 | Ground Orders 2 | At start of turn, if unit's HP ≥ 50%, grants the following status to adjacent infantry, armored, and cavalry allies for 1 turn: "Unit can move to a space adjacent to any ally within 2 spaces." | 120 | 4 | |
 | Ground Orders 3 | At start of turn, grants the following status to adjacent infantry, armored, and cavalry allies for 1 turn: "Unit can move to a space adjacent to any ally within 2 spaces." | 240 | 5 |
