Guardian of Wakanda's Throne
UNIQUE- Black Panther, Killmonger: If Okoye is alive, gain Block Proficiency equal to 25% of Critical Rating.
- Okoye: +10% Attack Rating, doubled once the Opponent is brought below 50% Max Health.

Every sig anchor × rank at A0. Sig levels in between interpolate smoothly (PCHIP) and round to the nearest 10 BHR — matching the in-game display.
| Sig | R3 | R4 | R5 |
|---|---|---|---|
| 0 | 20,260 | 24,730 | 29,330 |
| 20 | 22,440 | 27,400 | 32,500 |
| 40 | 23,290 | 28,440 | 33,730 |
| 60 | 24,010 | 29,300 | 34,760 |
| 80 | 24,630 | 30,070 | 35,670 |
| 100 | 25,210 | 30,780 | 36,510 |
| 120 | 25,750 | 31,440 | 37,290 |
| 140 | 26,260 | 32,070 | 38,030 |
| 160 | 26,750 | 32,660 | 38,740 |
| 180 | 27,220 | 33,230 | 39,410 |
| 200 | 27,670 | 33,780 | 40,060 |
BHR at each signature level by rank (non-ascendable — A0 only). The curve is concave — sig 0 → 100 captures roughly two-thirds of the gain from sig 0 → 200.