![Seiun Sky [Foolproof Plan]](https://gametora.com/images/umamusume/supports/tex_support_card_30008.png)
Global Tier B
SSR • Stamina
Global Released (2025-06-26)
Seiun Sky [Foolproof Plan] — SSR Stamina Support Card Guide
Japanese Name: セイウンスカイ [待望の大謀] • Role: SSR Stamina Support (Gacha)
Provides Stamina training support and 10 skill hints/events.
Hint Skills & Event Skills (10)
Event Skill
Tier B
Dodging Danger (危険回避)
Lane Movement Speed +0.03 + Effect(35) +0.50
Event Skill
Tier SS
Second Wind (二の矢)
Acceleration +0.20 m/s² + Stamina Recovery -2.0%
Event Skill
Tier A
Fast-Paced (急ぎ足)
Target Speed +0.15 m/s
Event Skill
Tier S
Escape Artist (脱出術)
Target Speed +0.35 m/s
Event Skill
Tier A
Keeping the Lead (リードキープ)
Target Speed +0.15 m/s
Hint Skill
Tier B
Inner Post Proficiency ○ (内枠得意○)
Wit Stat +40
Hint Skill
Tier B
Long Shot ○ (伏兵○)
Speed Stat +40
Hint Skill
Tier B
Trick (Front) (トリック（前）)
Stamina Recovery -1.0%
Hint Skill
Tier B
Frenzied Late Surgers (差し駆け引き)
Field of View +5.0m
Hint Skill
Tier B
Hesitant Pace Chasers (先行ためらい)
Instant Speed -0.15 m/s
Recommended F2P / Budget SR Replacements
SR • Wit (Tier S)
Marvelous Sunday [A Marvelous ☆ Plan]
Stamina Bonus + high Specialty Priority makes her the #1 SR Stamina card for Medium/Long Champions Meetings.
SR • Speed (Tier A)
Narita Taishin [Poolside High Tides]
Great training values when friendship training triggers; core F2P Stamina option.