tcgrate
  1. tcgrate
  2. Games
  3. Union Arena
  4. Sets
  5. UE11BT: Rurouni Kenshin Release Event Cards
  6. Proof as the Strongest

Union Arena · UE11BT: Rurouni Kenshin Release Event Cards · #UEPR/RNK-1-031 · Uncommon

Proof as the Strongest

Union Arena card price for Proof as the Strongest: $0.78 market, from $0.30 at the cheapest listing, Normal printing, updated Oct 19, 2026. Full price history since Oct 7, 2025 below.

Market price · Normal · Oct 19, 2026
$0.78
0.0% this week · −2.5% in 30 days
Buy on eBay →
1 day0.0%
7 days0.0%
30 days−2.5%
90 days−10.3%
1 year−81.0%
All time−75.9%

Sellers right now

$0.30lowest listing$2.26highest
Market price$0.78
Mid listing$0.70
30-day avg$0.78

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

TCGplayer$0.78

One year

$0.7852-week low$3.0552-week high
In the range0%
All-time low$0.78
All-time high$4.11
First priceOct 7, 2025
Normal · market price
$0.58$1.87$3.16$4.44
$0.78
Oct 2025Feb 2026Jun 2026Oct 2026
TCGplayer market price · via tcgcsvtcgrate.com

Price story

We have tracked Proof as the Strongest since October 2025, when it sold for $3.23. Today the market price is $0.78, down 75.9%. Across the past year it went −81.0%, with a low of $0.78 and a high of $3.05; today it sits near the bottom of that range. The highest price we have recorded is $4.11, 427% above today. Listings currently start at $0.30; over the last 30 days the market price averaged $0.78.

Printings

PrintingMarketLowHigh7d
Normal$0.78$0.30$2.260.0%

The card in play

Card type
Event
Series Name
Rurouni Kenshin
Required Energy
3
Action Point Cost
1
Activation Energy
Blue
Card text

Choose up to two of your AP cards and switch them to active.

Trigger

[Final] If you have 0 life, place the top card of your deck into your life area.

Other printings of Proof as the Strongest

1 more · $0.15 – $0.78
All printings
Proof as the Strongest (UE11BT/RNK-1-031), Rurouni Kenshin — Union Arena card price 0.0% 7d Proof as the Strongest UE11BT: Rurouni Kenshin · #UE11BT/RNK-1-031 $0.15

Also in UE11BT: Rurouni Kenshin Release Event Cards

most valuable
Full set
Kenshin Himura (Release Event Winner) (UEPR/RNK-1-086), Rurouni Kenshin Release Event Cards — Union Arena card price −1.0% 7d Kenshin Himura (Release Event Winner) UE11BT: Rurouni Kenshin Release Event Cards · #UEPR/RNK-1-086 $7.83 Evil-Immediate-Slaughter (UEPR/RNK-1-063), Rurouni Kenshin Release Event Cards — Union Arena card price 0.0% 7d Evil-Immediate-Slaughter UE11BT: Rurouni Kenshin Release Event Cards · #UEPR/RNK-1-063 $5.59 Kenshin Himura (046) (UEPR/RNK-1-046), Rurouni Kenshin Release Event Cards — Union Arena card price 0.0% 7d Kenshin Himura (046) UE11BT: Rurouni Kenshin Release Event Cards · #UEPR/RNK-1-046 $4.04 Oath Not to Kill (UEPR/RNK-1-096), Rurouni Kenshin Release Event Cards — Union Arena card price +0.5% 7d Oath Not to Kill UE11BT: Rurouni Kenshin Release Event Cards · #UEPR/RNK-1-096 $3.85 Ryuutsuisen (UEPR/RNK-1-100), Rurouni Kenshin Release Event Cards — Union Arena card price +0.6% 7d Ryuutsuisen UE11BT: Rurouni Kenshin Release Event Cards · #UEPR/RNK-1-100 $3.28