Russian Frost Bull
The Russian Frost Bull is an animal from FarmVille. Was sold only for a limited time, for an event or season.
Mastery
Mastering this animal earns a mastery star at each stage:
| Star | Harvests needed | Coins | XP |
|---|---|---|---|
| ★ | 5 | 500 | 25 |
| ★★ | 15 | 1,500 | 75 |
| ★★★ | 90 | 5,000 | 250 |