Grass Wonder
★★★
/Mile / Long/Pace Chaser / Late Surger
Introduction
Grass Wonder is a 3-star Mile / Long character in Uma Musume: Pretty Derby. Grass Wonder's running style is Pace Chaser / Late Surger. Dormitory: Miho Dormitory.
On the combined Uma Musume: Pretty Derby tier list Grass Wonder is B tier, 27th of the 69 characters ranked, from where 4 community tier lists put Grass Wonder.
What Grass Wonder does
A runner rated A at Mile and Long and as both Pace Chaser and Late Surger. Her Stone-Piercing Blue unique, 
Where There's a Will, There's a Way, adds speed when she passes someone from the back on the final straight. Her Saintly Jade Cleric version, 
Superior Heal, recovers 7.5% of her endurance when she's overtaken near the back mid-race.
Stone-Piercing Blue also carries 
Flustered Pace Chasers, which tires rival Pace Chasers, and 
Dominator, which slows the runners ahead.
Grass Wonder in Team Trials
On the Team Trials usage list Grass Wonder is B tier, 13th of 29: filling 2.3% of all Team Trials slots on Global.
- Team Trials share2.25%
Grass Wonder's banners
All banners- 21 September 2025 to 4 October 2025Kukulkan Warrior, Saintly Jade Cleric
Profile
Neat and sweet. Japanese at heart, she's back home from the U.S.
Grass Wonder is a female Umamusume. Her birthday is February 18, and she stands 152 cm tall. Grass Wonder is voiced by Rena Maeda in Japanese.
Grass Wonder's introduction: My name is Grass Wonder. I was born an Umamusume, so I will take this path as far as I possibly can. Hee hee. ♪
Stories
8Strengths
Japanese sweets, Japanese culture, competitive karuta
Weaknesses
Insects, disrespect for history and tradition
About her ears
Do not tremble in the slightest when she's doing a tea ceremony
About her tail
Can get bugs off her back without looking over her shoulder
Shoe size
Left: 23.0cm Right: 23.5cm
Family
Gets her love of Japan from her parents. Her home has a Japanese-style room
A secret
All the pencils in her case must be perfectly sharpened
Weight
No change
Trainee outfits
2Grass Wonder has 2 trainee outfits on global, each a separate card with its own stats, aptitudes and skills: Stone-Piercing Blue and Saintly Jade Cleric.
Stone-Piercing Blue
2★ at first · Late Surger by default · on global since 26 June 2025
Base stats
| Stars | Speed | Stamina | Power | Guts | Wit |
|---|---|---|---|---|---|
| 2★ | 91 | 70 | 99 | 74 | 91 |
| 3★ | 96 | 74 | 105 | 79 | 96 |
| 4★ | 107 | 83 | 117 | 87 | 106 |
| 5★ | 118 | 91 | 129 | 96 | 116 |
Training gains: Speed +20%, Power +10%
Aptitude
- Track
- Turf ADirt G
- Distance
- Sprint GMile AMedium BLong A
- Running style
- Front Runner FPace Chaser ALate Surger AEnd Closer F
Unique skill
Increase velocity with a strong turn of foot when passing another runner toward the back on the final straight.
Target speed +0.35 m/s for 5 s
level 1 at 3★, level 2 at 4★, level 3 at 5★. Passed on through inheritance as the white skill Where There's a Will, There's a Way (Target speed +0.15 m/s for 3 s).
Innate skills
Flustered Pace Chasers130 skill pointsSlightly increase fatigue for pace chasers mid-race.
Drains 1% of max endurance for other runners of Pace Chasers
Tether160 skill pointsSlightly decrease velocity of runners ahead when positioned toward the back late-race. (Medium)
Current speed −0.15 m/s for runners ahead for 3 s
Slick Surge180 skill pointsSlightly increase acceleration when positioned midpack or further back in the early part of late-race. (Late Surger)
Acceleration +0.2 m/s² for 1.8 s
Potential levels
- Level 2
Medium Racing Shoes ×15
Homestretch Haste170 skill pointsSlightly increase velocity in the last spurt.
Target speed +0.15 m/s for 2.4 s
- Level 3Medium Racing Shoes ×30
Takarazuka Kinen Winner's Sash ×5
Arima Kinen Winner's Sash ×5
Dominator160 skill pointsDecrease velocity of runners ahead when positioned toward the back late-race. (Medium)
Current speed −0.25 m/s for runners ahead for 3 s
- Level 4Medium Racing Shoes ×60Takarazuka Kinen Winner's Sash ×15
Japan Cup Winner's Sash ×15
Asahi Hai F.S. Winner's Sash ×15Arima Kinen Winner's Sash ×15
Dream Glimmer ×2- Position Pilfer180 skill points
Slightly increase velocity when positioned midpack or further back mid-race. (Late Surger)
Target speed +0.15 m/s for 2.4 s
- Level 5Medium Racing Shoes ×100Takarazuka Kinen Winner's Sash ×30Japan Cup Winner's Sash ×30Asahi Hai F.S. Winner's Sash ×30Arima Kinen Winner's Sash ×30Dream Glimmer ×10
On Your Left!180 skill pointsIncrease acceleration when positioned midpack or further back in the early part of late-race. (Late Surger)
Acceleration +0.4 m/s² for 1.8 s
Saintly Jade Cleric
3★ at first · Late Surger by default · on global since 21 September 2025
Base stats
| Stars | Speed | Stamina | Power | Guts | Wit |
|---|---|---|---|---|---|
| 3★ | 91 | 83 | 97 | 79 | 100 |
| 4★ | 101 | 92 | 108 | 88 | 111 |
| 5★ | 111 | 101 | 119 | 96 | 123 |
Training gains: Stamina +15%, Wit +15%
Aptitude
- Track
- Turf ADirt G
- Distance
- Sprint GMile AMedium BLong A
- Running style
- Front Runner FPace Chaser ALate Surger AEnd Closer F
Unique skill
Greatly recover endurance with a gentle light when overtaken toward the back mid-race.
Recovers 7.5% of max endurance
level 1 at 3★, level 2 at 4★, level 3 at 5★. Passed on through inheritance as the white skill Superior Heal (Recovers 3.5% of max endurance).
Innate skills
Pace Strategy170 skill pointsSlightly recover endurance when passed by another runner mid-race.
Recovers 1.5% of max endurance
- Deep Breaths160 skill points
Take a breather and slightly decrease fatigue mid-race. (Long)
Recovers 1.5% of max endurance
- A Small Breather180 skill points
Slightly recover endurance when positioned midpack or further back mid-race. (Late Surger)
Recovers 1.5% of max endurance
Potential levels
- Level 2Medium Racing Shoes ×15
- Trick (Front)140 skill points
Slightly increase fatigue for rushed runners behind when positioned toward the front mid-race.
Drains 1% of max endurance for Rushed runners behind
- Level 3Medium Racing Shoes ×30Takarazuka Kinen Winner's Sash ×5Arima Kinen Winner's Sash ×5
Cooldown160 skill pointsTake a breather and decrease fatigue mid-race. (Long)
Recovers 5.5% of max endurance
- Level 4Medium Racing Shoes ×60
Yasuda Kinen Winner's Sash ×15Takarazuka Kinen Winner's Sash ×15Asahi Hai F.S. Winner's Sash ×15Arima Kinen Winner's Sash ×15Dream Glimmer ×2
Late Surger Savvy ○110 skill pointsModerately increase ability to get into a good position. (Late Surger)
Wit +40, Field of view +5 m
- Level 5Medium Racing Shoes ×100Yasuda Kinen Winner's Sash ×30Takarazuka Kinen Winner's Sash ×30Asahi Hai F.S. Winner's Sash ×30Arima Kinen Winner's Sash ×30Dream Glimmer ×10
- Relax180 skill points
Recover endurance when positioned midpack or further back mid-race. (Late Surger)
Recovers 5.5% of max endurance
