Kaiser knuckles are a weapon for Tifa in Final Fantasy VII Rebirth. The weapon provides the Overpower ability, a combo-based physical damage ability that pressures more easily. The weapon has the strongest physical damage stats of any of Tifa's weapons, sacrificing magic damage.
Obtained[]
Kaiser knuckles can first be obtained in chapter 5, "Blood in the Water". It can be found in a chest when Tifa and Cloud explore the Shinra-8 cargo hold.
If not obtained here, the weapon can be purchased from stores from "Fool's Paradise" onwards.
Upgrades[]
| Level |  ATK |
 MATK
|
Materia slots | Skill slots | New weapon skills |
|---|---|---|---|---|---|
| 3 | 67 | 15 | 
|
1 | Martial Arts Mastery - Increases the duration of Unbridled Strength by 50%. Concentration - Grants a 50% chance of entering battle with Unbridled Strength active. Magic Attack Power +20 - Increases magic attack by 20. Max HP +200 - Increases max HP by 200. |
| 4 | 81 | 18 |
|
2 | Enhanced Magic Guard - Reduces magic damage by 5% while guarding. |
| 5 | 104 | 23 |
|
2 | Magic Attack Power +20 - Increases magic attack by 20. |
| 6 | 131 | 29 |
|
3 | Synergy Damage Up = Increases synergy skill and synergy ability damage by 10%. |
| 7 | 158 | 35 | 
|
3 | Max MP +3 - Increases max MP by 3. |
| 8 | 189 | 42 |
|
4 | Enemy Parts Damage Up - Increases damage to discrete enemy parts by 5%. |
| 9 | 227 | 50 |
|
4 | Limit Gauge Stagger - Increases the limit gauge charge rate by 10% upon staggering an enemy. |
Use[]
Kaiser knuckles provides Tifa the greatest Attack Power boost of all her weapons, and the lowest Magic Attack boost. Because Tifa's skillset typically builds her toward physical damage output, this can play into her strengths. The weapon skills provided are mostly standard, especially concentration and others playing into her combos, where her Limit Gauge Stagger is perhaps the biggest game changer.
Kaiser knuckles are ideal used with mostly physical damage-based abilities, such as her Unbridled Strength attacks, Starshower, True Strike, and Divekick. However, it also means she is less strong tapping into magic-based damage through as Unfettered Fury (where 
Crystal Gloves or Sylph Gloves are ideal).
Using kaiser knuckles as Tifa's main weapon is very effective when playing into her strengths as a physical damage output. An alternative is Járngreipr, which has different weapon skills, and makes up for lack of raw attack power stats for big critical hit rate boosts. Aside from this, Dragon Claws and Leather Gloves work for more balanced stats.
Etymology[]
Kaiser is the German title meaning "Emperor", derived ultimately from the name of Julius Caesar. Many languages use a descendant of the word Caesar to mean "emperor", such as Russian царь (tsar) and Greek Καῖσαρ (Kaîsar).