![Satono Diamond [Tracen Academy]](https://gametora.com/images/umamusume/supports/tex_support_card_10056.png)
Global Tier SS
R • Stamina
Global Released (2025-07-16)
Satono Diamond [Tracen Academy] — R Stamina Support Card Guide
Japanese Name: サトノダイヤモンド [トレセン学園] • Role: R Stamina Support (Gacha)
Provides Stamina training support and 8 skill hints/events.
Hint Skills & Event Skills (8)
Event Skill
Tier B
Hesitant Front Runners (逃げためらい)
Instant Speed -0.15 m/s
Hint Skill
Tier B
Firm Conditions ○ (良バ場○)
Power Stat +40
Hint Skill
Tier B
Sunny Days ○ (晴れの日○)
Guts Stat +40
Hint Skill
Tier B
Flustered Front Runners (逃げ焦り)
Stamina Recovery -1.0%
Hint Skill
Tier A
Medium Corners ○ (中距離コーナー○)
Target Speed +0.15 m/s
Hint Skill
Tier B
Tether (束縛)
Instant Speed -0.15 m/s
Hint Skill
Tier A
A Small Breather (小休憩)
Stamina Recovery +1.5%
Hint Skill
Tier B
Studious (読解力)
Effect(8) +5.00
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.