Umamusume: Pretty Derby: Seiun Sky Build Guide, Effects, Skills, and More
Seiun Sky stands out in Umamusume: Pretty Derby as a versatile figure who will play both as a trainable horse girl and as a valuable support card for the Umamusume support card tier list. So, for anyone who wants to learn her key attributes, training approaches, and utility to optimize her potential, here is an Umamusume: Pretty Derby Seiun Sky build guide. Even if you try raising her as a competitor or incorporating her support in decks, this guide will provide you with the right tips to use in her support role to maximize training efficiency.
Table of Contents
Who is Umamusume: Pretty Derby Seiun Sky?
Seiun Sky is a horse girl in the Umamusume: Pretty Derby tier list. As a trainable character, she excels as a frontrunner suited to turf races over medium and long distances. So, this one is a strong pick for those of you who are aiming to dominate early and hold positions. Her base stats at three stars start with Speed at 98, Stamina at 98, Power at 88, Guts at 83, and Wit at 83. When fully awakened to five stars, these cap at Speed 120, Stamina 120, Power 108, Guts 101, and Wit 101.
Seiun benefits from a 10% growth bonus in Stamina and a 20% bonus in Wit. This is encouraging, as it builds those benefits through endurance and clever positioning.
Seiun Sky aptitudes are going to be like this:
Track Type
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Turf: A – Performs best on turf (grass) tracks, using Speed and stamina efficiently.
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Dirt: G – Very weak on dirt tracks due to low compatibility.
Distance
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Short: G – Not suited for short sprints up to 1200m.
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Mile: C – Average at mile races (1200–1800m), decent but not standout.
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Medium: A – Excellent at medium distances (1800–2500m), where her stamina and Speed shine.
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Long: A – Just as strong in long races (2500m+), using endurance to hold leads.
Strategy
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Front (Escape): A – Best as a front runner, taking an early lead and keeping it.
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Pace (Lead): B – Good at staying near the front, but not as strong as in pure escape.
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Late (Chase): D – Struggles when coming from mid-pack.
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End (Last): E – Weak at running from the back, as her strengths rely on early positioning.
Note: A, B, C, D, E, and G represent the character aptitudes, and those define how well a horse girl can perform. A is for excellent, B is for good, C is for average, D is for below average, and E is for poor rank. And finally, G represents the worst rank.
Umamusume: Pretty Derby Seiun Sky Skills and Effects
Seiun Sky is a top choice for frontrunner builds in Umamusume: Pretty Derby, excelling in turf races over medium and long distances. Her racing style focuses on taking the lead early and disrupting opponents to maintain control until the finish.
Her unique skill, Angling x Skimming, allows her to quickly move into an ideal position and gain a speed boost during key moments of the race.
So, here is how her skills will be distributed and their respective effects.
Base Skills
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Front Runner Hesitation – Slows down opponents chasing from behind.
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Lead Keep – Helps maintain the lead once she's ahead.
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Hurried Steps – Gives a short speed boost at the start.
Awakening Skill Unlocks
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Level 2: Front Runner Knack ○ Improves early race positioning for a cleaner start.
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Level 3: Vanguard Spirit – Extends her ability to hold the lead.
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Level 4: Tail Held High – Increases speed after chaining multiple skills.
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Level 5: Escape Artist – Creates a gap between her and rivals mid-race.
Evolved Skills
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Vanguard Spirit → Fast Retrieve – Unlock by winning the Kikuka Sho or three G1 long-distance races, plus certain long-distance skills or the Slacker trait.
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Vanguard Spirit → Big Game Hunter's Spirit – Unlock via specific event choices or with high stamina and medium-distance skills.
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Escape Artist → Great Escape Operation – Unlock with high stamina or wit stats plus frontrunner and speed-focused abilities.
Additional Event Skills
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Pacer Check – Disrupts nearby opponents.
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Deep Breath – Recovers stamina mid-race.
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Front Runner Straight ○ – Boosts Speed on straight track sections.
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Squeeze Out – Adds acceleration when needed.
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Climber – Improves performance on uphill slopes.
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Cling On – Keeps her pushing forward under pressure.
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Pacer Hesitation – Causes hesitation for pace-setting opponents.
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Variations of Hurried Steps for extra early acceleration.
SSR Support Card – (Foolproof Plan) Seiun Sky
As a support card, she focuses on stamina training and provides skill hints for:
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Long Shot ○ – Boost when she's not the favorite.
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Inner Post Proficiency ○ – Better performance in inner lanes.
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Tail Held High
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Front Runner Hesitation
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Pacer Gambit – Boosts acceleration early in the race.
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Trick (Front) – Slows down rivals ahead.
Event skills from her support card include Hazard Avoidance, Second Arrow, Hurried Steps, Escape Artist, and Lead Keep as well, making her an excellent choice for training reliable front runners.
Seiun Sky Recommended Builds
For Seiun Sky, build her to excel as a turf front runner in medium and long races by focusing heavily on Speed and aiming for around 1200 so she can grab the lead early. Stamina should be about 800 for medium distances or 1000 for long ones, giving her enough endurance to hold off challengers. Keep Intelligence at least 400 to reliably trigger skills and resist debuffs, while Power and Guts can stay in the 350–400 range for balanced stability.
Equip 3 to 4 gold skills to boost her performance in PvP, prioritizing openers like Concentration, green recovery options, and Ground Solidify to secure early leads, then mix in mid-race sustain skills that help trigger her unique ability in the last corners. For modes like UAF or cup races, lean more on high Intelligence and Power alongside Speed for strong closing bursts, and add debuffs to slow down chasers in long turf runs.
If possible, inherit from parents with strong Stamina and Wit to take advantage of her 10% Stamina and 20% Wit growth bonuses. Skip dirt or short races, as her aptitudes there make her far less effective.
How to Obtain Umamusume: Pretty Derby Seiun Sky?
To obtain Seiun Sky as a trainable character, you have to go through the summoning system of the game. You can pull her from the character scouting banners in the game's gacha system, where she appears in standard or limited-time special draws.
For her support card versions, such as the SSR Foolproof Plan for Stamina training or R Tracen Academy, are similarly acquired through support card scouting menus. She may also feature in reruns or specific banners, like potential pairings with characters such as Narita Brian, so monitor in-game announcements for availability.
Tip: Try playing Umamusume: Pretty Derby on PC with the best Android emulator: LDPlayer. It can use the Multi-Instance and Sync features to create different instances of the same game and then operate them at once. Since you can summon them all at the same time, you are increasing your chances of collecting Seiun Sky in a short time.
People Also Ask
Is Umamusume: Pretty Derby Seiun Sky worth pulling?
If you are focusing on getting a frontrunner in the turf, long-distance, or medium races, yes, she is a must. She has the strongest stamina with a Wit growth to face them powerfully. But don't go with Seiun Sky in short races, as she is weak for them.
What are the odds of getting a gacha in Umamusume?
SSR card can be taken with a % of pulling rate, and SR card has an 18% rate. For an R card, it will be 79%.
How many pulls for Pity Umamusume?
You will get one point for every pull on a banner. Once you have managed to collect 200 points, you can redeem items without spending Carats.
Conclusion
And that is it for the Umamusume: Pretty Derby Seiun Sky build guide. Understand her skills, know how to invest in her through it, and make your gameplay progress faster. Redeem Umamusume: Pretty Derby codes as well, so you will be able to collect more items and resources for free for a faster progression.
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