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| General | Quotes | Misc | Heroic Ordeal |
| Catherine Thunder Knight | |
|---|---|
Portrait
 Attack
 Special
 Damage
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| Description | A member of the Knights of Seiros and wielder of the Hero's Relic Thunderbrand. She deeply reveres Archbishop Rhea. Appears in Fire Emblem: Three Houses. |
| Rarities | 4  SR
|
| Weapon Type |  Sword
|
| Move Type |  Infantry
|
| Voice Actor EN | Laura Post |
| Voice Actor JP | Chie Matsuura (松浦チエ) |
| Release Date | |
| Entry |  Three Houses
|
| Version | 4.10 |
| Internal ID | PID_カトリーヌ (577)
|
| Origin | 120000500800 |
Stats
Level 1 stats
| Rarity | HP | Atk | Spd | Def | Res | Total |
|---|---|---|---|---|---|---|
1  | 16/17/18 | 6/7/8 | 8/9/10 | 5/6/7 | 3/4/5 | 43 |
2  | 16/17/18 | 7/8/9 | 9/10/11 | 5/6/7 | 3/4/5 | 45 |
3  | 17/18/19 | 7/8/9 | 9/10/11 | 6/7/8 | 4/5/6 | 48 |
4  | 17/18/19 | 8/9/10 | 10/11/12 | 6/7/8 | 4/5/6 | 50 |
5  | 18/19/20 | 8/9/10 | 10/11/12 | 7/8/9 | 5/6/7 | 53 |
Level 40 stats
| Rarity | HP | Atk | Spd | Def | Res | Total |
|---|---|---|---|---|---|---|
| 1 | 32/35/37 | 27/30/32 | 29/32/34 | 19/22/25 | 14/17/19 | 135~136 |
| 2 | 33/36/39 | 30/33/35 | 32/35/37 | 20/23/26 | 15/18/20 | 144~145 |
| 3 | 36/39/42 | 32/35/38 | 34/37/40 | 23/26/29 | 17/20/23 | 157 |
| 4 | 37/40/43 | 34/37/41 | 36/39/43 | 24/27/30 | 18/21/24 | 164~165 |
| 5 | 40/43/46 | 36/39/43 | 38/41/45 | 26/30/33 | 20/23/26 | 175~177 |
Growth Rates
| Rarity | HP | Atk | Spd | Def | Res | Total |
|---|---|---|---|---|---|---|
| 3 | 55% | 70% | 70% | 50% | 40% | 285% |
Stats between level 1 and 40
Skills[]
Weapons[]
| Name | Might | Range | Description | SP | Default | Unlock |
|---|---|---|---|---|---|---|
| Iron Sword | 6 | 1 | — | 50 | 1 | 1 |
| Steel Sword | 8 | 1 | — | 100 | 2 | 2 |
| Silver Sword | 11 | 1 | — | 200 | 4 | 3 |
| Thunderbrand | 16 | 1 | Grants Spd+3. At start of combat, if foe's HP ≥ 50%, grants Atk/Spd+5 during combat, neutralizes effects that prevent unit's follow-up attacks during combat, and also, if unit initiates combat, unit can make a follow-up attack before foe can counterattack. | 400 | 5 | 5 |
Thunderbrand can be upgraded in the Weapon Refinery.
When upgraded, the description of Thunderbrand becomes "Grants Spd+3.
At start of turn, if unit's HP ≥ 25%, grants Atk/Spd+6 and【Treachery】to unit and allies within 2 spaces of unit for 1 turn.
At start of combat, if foe's HP ≥ 50%, grants Atk/Spd/Def/Res+5 to unit and neutralizes effects that guarantee foe's follow-up attacks and effects that prevent unit's follow-up attacks during combat, and also, if unit initiates combat, unit can make a follow-up attack before foe's next attack.
【Treachery】
Unit deals additional damage = total bonuses on unit for 1 turn.".
Thunderbrand can be upgraded with the additional effect 
"If unit initiates combat or is within 2 spaces of an ally, grants Atk/Spd/Def/Res+5 to unit, neutralizes unit's penalties to Atk/Spd, and deals damage = 20% of unit's Spd during combat (excluding area-of-effect Specials), and also, if decreasing the Spd difference necessary to make a follow-up attack by 25 would allow unit to trigger a follow-up attack (excluding guaranteed or prevented follow-ups), triggers【Potent Follow X%】 during combat (if unit cannot perform follow-up and attack twice, X = 80; otherwise, X = 40).
【Potent Follow X%】
Triggers an additional follow-up attack immediately after unit's standard follow-up attack and deals damage = X% of unit's normal attack damage (if unit cannot make a follow-up attack, this effect triggers when the standard follow-up attack would occur; this effect is treated like a follow-up attack, so effects like "reduce damage by X%" still apply, but this effect is not affected by effects that prevent follow-ups or "attacks twice" effects; only highest value applied; does not stack).".
Assists[]
Specials[]
| Name | Cooldown | Description | SP | Default | Unlock |
|---|---|---|---|---|---|
| Dragon Gaze | 4 | Boosts damage by 30% of unit's Atk. | 100 | 4 | 3 |
| Draconic Aura | 3 | Boosts damage by 30% of unit's Atk. | 200 | — | 4 |
Passives[]
| Type | Icon | Name | Description | SP | Unlock |
|---|---|---|---|---|---|
| A |  | Death Blow 1 | If unit initiates combat, grants Atk+2 during combat. | 50 | 2 |
 | Swift Sparrow 1 | If unit initiates combat, grants Atk/Spd+2 during combat. | 120 | 3 | |
 | Swift Sparrow 2 | If unit initiates combat, grants Atk/Spd+4 during combat. | 240 | 4 | |
 | Swift Sparrow 3 | If unit initiates combat, grants Atk+6, Spd+7 during combat. | 300 | 5 | |
| B |  | Lull Spd/Def 1 | Inflicts Spd/Def-1 on foe and neutralizes foe's bonuses to Spd/Def (from skills like Fortify, Rally, etc.) during combat. | 60 | 1 |
 | Lull Spd/Def 2 | Inflicts Spd/Def-2 on foe and neutralizes foe's bonuses to Spd/Def (from skills like Fortify, Rally, etc.) during combat. | 120 | 2 | |
 | Lull Spd/Def 3 | Inflicts Spd/Def-3 on foe and neutralizes foe's bonuses to Spd/Def (from skills like Fortify, Rally, etc.) during combat. | 240 | 4 |
