Fai is a Mythic character in Seven Knights Re:BIRTH. Learn about Fai's best builds, rating, tier, Transcendence effects, and skills.
Table of Contents
Fai Rating & Stats
★4 | ★5 | ★6 |
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Affiliation | Special - Seven Knights of Old |
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How to Get | Infinite Tower / Hero Fusion |
Fai Rating & Tier
Overall Tier | T0 Tier | Reroll Tier |
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Review | ||
TBD |
A Top-Tier Attacker with "Execution"
A unique Hero with an Execution skill that instantly defeats low HP targets, she ranks among the top attackers. Combined with her durability and support capabilities, she is an extremely powerful Hero who can be effective in any battle.
Exclusive Hero, Not in Summons
The Seven Knights of Old cannot be obtained from the gacha and are only available through Guild War rewards, clearing the 200th floor of the Infinite Tower, or Fusion. As a result, she is difficult to acquire and requires considerable time to reach 6★ Transcendence, making her a Hero that demands significant dedication.
"Execution" is the Strongest PvP Skill
As mentioned, she is effective in various battles, but Fai truly shines in PvP content like the Arena and Total War. Her Execution skill is especially powerful, allowing her to instantly defeat up to 4 enemies if they are in an Attack or Defense Formation.
Vanguard or Avenger Set is Recommended
As a powerful attacker, she benefits from the Vanguard set, which increases all attack power, or the Avenger set, which boosts damage dealt. It's even better if the set options also include Attack Power or Damage Dealt UP.
User Score
Fai Stats
*Each stats is based on the max level in the Codex, with enhancement +5 applied.
Physical ATK | DEF | HP | SPD |
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1,500 | 571 | 3,326 | 29 |
*The following values are the same across all currently available characters.
Crit Rate | 5% |
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Crit Damage | 150% |
Weakness Hit Chance | 0% |
Block Rate | 0% |
Damage Taken Reduction | 0% |
Effect Probability | 0% |
Effect Resistance | 0% |
Fai Skills
Jump to Skill Details | |||
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▼Basic Attack | ▼Skill 1 | ▼Skill 2 | ▼Passive Skill |
Basic Attack
- Deals damage equal to 100% of Physical Attack 1 time(s).
- 35% chance to inflict Burn. [[Duration: 2 Turn(s)]]
- Increases Damage: To 130% of Physical Attack.
Skill 1: Spear of Agnia
- Each attack has a 60% chance to inflict Burn [Duration: 2 Turn(s)]
- Deals damage equal to 57% of Physical Attack 2 time(s).
Adds Effect: 100% chance to inflict 29% Defense Reduction. [Duration: 3 Turn(s)]
Increases Chance: Burn chance becomes 70%.
Skill 2: Flame Dragon's Greetings
- Inflicts 3 Buff Removal(s) [100% Chance]
- 100% chance to inflict Burn [Duration: 3 Turn(s)]
- Deals damage equal to 340% of Physical Attack plus 20% of the target's Max HP 1 time(s). (HP-based damage limited to 300% of caster's Attack)
- Instant Execution of an enemy with 24% or lower HP.
- 60% chance to inflict Burn. [Duration: 2 Turn(s)]
- Deals damage equal to 125% of Physical Attack plys 14% of the target's Max HP 1 time(s). (HP-based damage limited to 150% of caster's Attack)
Increases Damage: To 410% of Physical Attack plus 26% of the target's Max HP.
Increases Effect: Execution condition becomes 30% of HP.
Adds Effect: Execution targets enemies that share a row with the target..
Passive Skill: Surging Flames
- Inflicts Physical Vulnerability [Always Active]
- Revives with 80% HP upon falling in battle. [Once per Battle]
- Grants a Barrier equal to 135% of Physical Attack upon revival. [Duration: 3 Turn(s)] [Once per Battle]
- Deals additional damage equal to 70% of Physical Attack against targets inflicted with [Burn].
Increases Effect: Physical Vulnerability to 20%.
Increases Effect: HP gained upon revival becomes 100%
Fai Transcendence Effects
Stage | Effects |
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T1 | Increases All Attack by 12% |
T2 | Increases All Attack by 6% |
T3 | Increases HP by 18% |
T4 | Increases Crit Rate by 18% |
T5 | Increases All Attack by 12% |
T6 | Increases All Attack by 6% |
T7 | Increases All Attack, Defense, and HP by 2% |
T8 | Increases All Attack, Defense, and HP by 2% |
T9 | Increases All Attack, Defense, and HP by 2% |
T10 | Increases All Attack, Defense, and HP by 2% |
T11 | Increases All Attack, Defense, and HP by 2% |
T12 | Increases All Attack, Defense, and HP by 2% |
Fai's Profile

Race | Elf | Zodiac Sign | Capricorn |
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Gender | Female | Age | ??? |
Blood Type | B | Height | 164 cm |
Birthday | 1/6 | Weight | 54 kg |