Written by Priya Kapoor

Browse All Uma Musume: Pretty Derby Grass Wonder is a difficult Runner to train due to her shifting between Mile, Medium, and Long races in Umamusume: Pretty Derby. Trying to prepare for everything will result in poor stats overall. To succeed with her, concentrate on specific race styles for each distance and make use of healing skills to manage her stamina concerns.

She’s not bad... just selective.

Stat Priorities

Speed

Aim for 1000 . This keeps her competitive across all distances. Always prioritize Speed whenever possible.

Stamina

Minimum of 450 with at least one healing skill. For Long races, aim higher (around 600), especially if she uses the Late style.

Power

500 is sufficient. She can naturally accelerate in Late or Chaser styles. Boost it further if you're using her as a Leader.

Wit

Target 400–500. It's important for skill timing and race control. Wit also helps reduce injury risk, which Grass seems unusually susceptible to.

Guts

Don't focus on it unless necessary. Keep it under 300 maximum.

Best Support Card Layouts

Safe Build for URA

3 Speed, 1 Stamina, 1 Wit, 1 Friend
This allows high Speed while preventing burnout. The Friend slot aids bonding and reduces Rest turns.

Long-Game Build

2 Speed, 2 Stamina, 1 Wit, 1 Power
Ideal for Long or Medium focus. Requires strong support cards and early bonding to be effective.

F2P Balanced Build

2 Speed, 2 Wit, 1 Power, 1 Friend
Offers safer training turns. Lower stamina here means relying on healing skills like Corner Recovery or Tempo Up.

Training Tips

• Purchase healing (blue) skills that align with her race style before each G1
• Don't try all three distances in one run... focus on Medium or Long first
• Rest if energy is yellow or lower—Grass gets injured easily
• Use Recreation and high-Wit events to avoid wasted turns
• Prepare rainbow drills before Summer Camp or she'll fall behind

Inheritance Notes

• Inherit Long Distance A or Medium A depending on your route
• Add one recovery skill and one Position skill (like Tempo Up or Focus)
• Avoid Sprint traits... she isn’t suited for short races

Race Style Options

Grass Wonder performs best as a Late Surger in Long and Medium. She has time to build up and benefits from blue skills for good recovery.

In Mile races, switch to Pace Chaser with enough Wit and healing. If there are many other chasers, Leader works fine… But avoid Front unless you're experimenting.

Final Blurb

Grass Wonder requires more effort than most but rewards careful training. Stick to one main distance per run, stack Speed, healing, and Wit, and you’ll finally start winning in the Classic series.

Just don’t skimp on rest or she’ll show you why her name is Grass.

TL;DR

• Best as a Late Surger for Medium/Long, or Pace Chaser for Mile
• Stat goals: Speed 1000 , Stamina 450–600 , Wit 400 , Power 500 , Guts 300 max
• Use healing skills like Corner Recovery or Tempo Up to compensate for low stamina
• Use 3 Speed, 1 Stamina, 1 Wit, 1 Friend for consistent training
• Focus on one distance type per run to avoid spreading stats too thin
• Inherit Medium A or Long A and at least one blue recovery skill
• Avoid Front style and low-Wit builds; she needs consistency to activate her passives

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