- tcgrate
- Games
- Union Arena
- Sets
- UE11BT: Rurouni Kenshin
- Proof as the Strongest
Union Arena · UE11BT: Rurouni Kenshin · #UE11BT/RNK-1-031 · Uncommon
Proof as the Strongest
Union Arena card price for Proof as the Strongest: $0.15 market, from $0.08 at the cheapest listing, Normal printing, updated Oct 19, 2026. Full price history since Sep 28, 2025 below.
Sellers right now
Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.
Where to buy
One year
Price story
Proof as the Strongest came out in September 2025; we leave the first weeks out of this story, because early prices are set before real supply exists. In the last year the price changed −34.8% and ranged from $0.09 to $0.23, and it now trades in the middle of that range. Listings currently start at $0.08; over the last 30 days the market price averaged $0.15.
Printings
The card in play
- Card type
- Event
- Series Name
- Rurouni Kenshin
- Required Energy
- 3
- Action Point Cost
- 1
- Activation Energy
- Blue
Choose up to two of your AP cards and switch them to active.
[Final] If you have 0 life, place the top card of your deck into your life area.
