
Ally of Justice Decisive Armor
Duel Terminal 3 DT03-EN090 • ultra-rare
- Level
- 10
- Attack
- 3300
- Rarity
- ultra-rare
- Defense
- 3300
Why it matters
First introduced in the Duel Terminal 3 expansion, Ally of Justice Decisive Armor remains one of the most recognizable boss monsters within its archetype due to its formidable, multi-functional design. Collectors and players alike prize this ultra-rare synchro monster for its status as a key technical unit from the early Duel Terminal era, marking a significant moment in the narrative of that machine-focused card series.
Generated by Pi, the collecto.rs collecting companion
Who's collecting this
Real cards collectors on collecto.rs who have this in their public collection.
About Ally of Justice Decisive Armor
Ally of Justice Decisive Armor is a card in the Yu-Gi-Oh! catalog on collecto.rs. Duel Terminal 3 DT03-EN090 • ultra-rare. Catalog data is sourced from YGOProDeck. No public cards collectors track this one yet — adding yours would make you the first on collecto.rs.
How many collectors track Ally of Justice Decisive Armor on collecto.rs?
Ally of Justice Decisive Armor doesn't have any public collectors on collecto.rs yet. Sign up to add it and become the first.
Can I track my own copy of Ally of Justice Decisive Armor?
Yes. collecto.rs is free — sign up to log your card, upload photos, record condition, edition, and acquisition cost, and connect with other yu-gi-oh! collectors. Your collection stays private by default.
Where does the Ally of Justice Decisive Armor catalog entry come from?
The catalog entry for Ally of Justice Decisive Armor is sourced from YGOProDeck. Catalog-level facts stay consistent across every collector; your own data (condition, edition, acquisition notes) is yours.
Is collecto.rs cards tracking free?
Yes. Tracking your cards is free — no paid tier required to catalog items, upload photos, or share your collection.
Track every card you own
Free forever. Private by default. Photos, notes, value tracking — all in one place.
Sign up free



