Uma Musume Pretty Derby Sparks Guide

Training a Legacy Uma in Uma Musume Pretty Derby is a rewarding but challenging process. Central to this is understanding Sparks — special traits your Uma earns at the end of their career that influence their stats, skills, and breeding potential. This guide breaks down how Sparks work and shares tips on training to maximize your chances of creating a powerful Legacy Uma.

If you’re new, visit the official Uma Musume website to get started. For more detailed help, check out my guides on training any Uma Musume and the current Tier List to pick the best candidates.

What Are Sparks and Why Do They Matter?

Sparks are unique bonuses your Uma receives when ending a career. They can affect stats like Speed or Stamina, unlock powerful skills, or improve race performance in subtle ways. These Sparks also influence the abilities passed down to offspring in breeding, making them key for long-term play and building a Legacy Uma. Since Sparks are partly random, training takes patience and planning. But knowing how each Spark works helps you focus your efforts and improve your odds.

1. Blue Sparks (Speed and Stamina)

• Blue Sparks focus mainly on Speed — one of the most versatile and important stats for any Uma.
• When your Uma retires, the game randomly assigns a Blue Spark grade from 1 to 3 stars, influenced by your Uma’s final Speed stat.
• Recommended goal: A 9-star Uma with a 3-star Blue Spark, plus two parent Umas with 3-star Blue Sparks to maximize inheritance.

Blue Spark Odds:

• < 600 Speed 90% 10% 0%
• 600 – 1100 Speed 50% 45% 6%
• > 1100 Speed 20% 70% 10%

Aim to end careers with Speed over 600 to increase your chances for better Blue Sparks.

2. Pink Sparks (Attitude & Toughness)

• Pink Sparks affect your Uma’s terrain and distance aptitude, plus buffs during inspirational runs and race starts.
• The Spark is chosen from stats where your Uma has an A or higher.
• A strong Pink Spark boosts overall racing stats significantly.
• Like other Sparks, star grades improve with more training but remain partly random.

3. Green Sparks (Ultimate Skills)

• These determine your Uma’s Ult Skill.
• Green Sparks of 3 stars or higher can be inherited during events like inspirational runs.
• Picking up higher-star Green Sparks boosts your breeding potential.

4. White Sparks (Skill Sparks)

• White Sparks come from skills you purchase during a career.
• Each bought skill has a 20% chance to create a Spark; gold-border skills have a 40% chance, and double-circle (bought twice) skills have a 25% chance.
• These Sparks unlock skills without needing Support Cards and can be passed down.

5. Race Sparks

• Earned by winning G1 races, including the URA Finale.
• Each G1 win has a 20% chance to create a unique Spark.
• Sparks from races boost stats or skills during inspirational events.
• Higher star grades increase chances of inheritance.

Is Affinity Important?

Affinity slightly increases the chance of rolling Sparks during inspiration events. However, it’s generally not crucial unless you’re focusing on training one favorite Uma in the late game. For most players, prioritizing stats and race wins offers better results.

Mastering Sparks in Uma Musume Pretty Derby is key to raising powerful Legacy Umas with strong stats and skills that carry through generations. While luck plays a role, training your Umas with high Speed, targeting important skills, and winning big races will improve your chances.

Keep experimenting and checking your results. For more strategies, check my full training guides and tier lists to pick the best Umas to raise. With patience and planning, you’ll be ready to create your perfect Legacy Uma.