Union Arena · UE20BT: That Time I Got Reincarnated as a Slime · #UE20BT/TSK-1-037 · Uncommon
Kaijin
Union Arena card price for Kaijin: $0.16 market, from $0.03 at the cheapest listing, Normal printing, updated Oct 19, 2026. Full price history since Jul 11, 2026 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
We have tracked Kaijin since July 2026, when it sold for $0.40. Today the market price is $0.16, down 60.0%. The highest price we have recorded is $0.40, 150% above today. Listings currently start at $0.03; over the last 30 days the market price averaged $0.16.
Printings
The card in play
- Card type
- Character
- Series Name
- That Time I Got Reincarnated as a Slime
- Battle PointBP
- 2500
- Required Energy
- 2
- Action Point Cost
- 1
- Generated Energy
- B
- Activation Energy
- Blue
[Activate: Main] (Switch to Resting) Choose one other character on your field. It gains 1000 BP until the end of the turn.
