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  6. Kaiju No. 8 (055)

Union Arena · UE12BT: Kaiju No. 8 · #UE12BT/KJ8-1-055 · Super Rare

Kaiju No. 8 (055)

Union Arena card price for Kaiju No. 8 (055): $2.98 market, from $2.50 at the cheapest listing, Foil printing, updated Oct 20, 2026. Full price history since Oct 27, 2025 below.

Market price · Foil · Oct 20, 2026
$2.98
−5.1% this week · −7.2% in 30 days
Buy on eBay →
1 day−2.0%
7 days−5.1%
30 days−7.2%
90 days+20.2%
1 year—
All time−78.9%

Sellers right now

$2.50lowest listing$14.00highest
Market price$2.98
Mid listing$3.50
30-day avg$3.13

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$2.98

One year

$2.1852-week low$14.1352-week high
In the range7%
All-time low$2.18
All-time high$14.13
First priceOct 27, 2025
Foil · market price
$1.46$6.08$10.70$15.33
$2.98
Oct 2025Feb 2026Jun 2026Oct 2026
TCGplayer market price · via tcgcsvtcgrate.com

Price story

Kaiju No. 8 (055) was released in October 2025. Launch-week prices are left out here: before supply arrives they are mostly guesses. The cheapest listing right now is $2.50, and the 30-day average market price is $3.13.

Printings

PrintingMarketLowHigh7d
Foil$2.98$2.50$14.00−5.1%

The card in play

Card type
Character
Series Name
Kaiju No. 8
Battle PointBP
5000
Required Energy
8
Action Point Cost
2
Generated Energy
G
Activation Energy
Green
Card text

If you have two or more resting characters on your front line, reduce this card's required energy by Green x2 while in your hand.

Play this character set to active onto your field.

[Damage (2)] (When this character attacks and deals direct damage, deal 2 damage instead.)

[When Played] Choose up to one character on your opponent's front line and move it to their energy line. It gains "This character cannot move" until the start of your next turn.

Trigger

[Get] Add this card to your hand.

Other printings of Kaiju No. 8

10 more · $0.09 – $181.99
All printings
Kaiju No. 8 (055) (SR**) (UE12BT/KJ8-1-055), Kaiju No. 8 — Union Arena card price 0.0% 7d Kaiju No. 8 (055) (SR**) UE12BT: Kaiju No. 8 · #UE12BT/KJ8-1-055 $181.99 Kaiju No. 8 (055) (Winner) (UEPR/KJ8-1-055), Union Arena Promotion Cards — Union Arena card price 0.0% 7d Kaiju No. 8 (055) (Winner) Union Arena Promotion Cards · #UEPR/KJ8-1-055 $92.36 Kaiju No. 8 (055) (UEPR/KJ8-1-055), Union Arena Promotion Cards — Union Arena card price 0.0% 7d Kaiju No. 8 (055) Union Arena Promotion Cards · #UEPR/KJ8-1-055 $41.41 Kaiju No. 8 (054) (SR*) (UE12BT/KJ8-1-054), Kaiju No. 8 — Union Arena card price +0.1% 7d Kaiju No. 8 (054) (SR*) UE12BT: Kaiju No. 8 · #UE12BT/KJ8-1-054 $27.02 Kaiju No. 8 (054) (UE12BT/KJ8-1-054), Kaiju No. 8 — Union Arena card price −13.6% 7d Kaiju No. 8 (054) UE12BT: Kaiju No. 8 · #UE12BT/KJ8-1-054 $3.11

Also in UE12BT: Kaiju No. 8

most valuable
Full set
Kikoru Shinomiya (020) (SR**) (UE12BT/KJ8-1-020), Kaiju No. 8 — Union Arena card price 0.0% 7d Kikoru Shinomiya (020) (SR**) UE12BT: Kaiju No. 8 · #UE12BT/KJ8-1-020 $188.67 Kaiju No. 8 (055) (SR**) (UE12BT/KJ8-1-055), Kaiju No. 8 — Union Arena card price 0.0% 7d Kaiju No. 8 (055) (SR**) UE12BT: Kaiju No. 8 · #UE12BT/KJ8-1-055 $181.99 Mina Ashiro (005) (SR**) (UE12BT/KJ8-1-005), Kaiju No. 8 — Union Arena card price 0.0% 7d Mina Ashiro (005) (SR**) UE12BT: Kaiju No. 8 · #UE12BT/KJ8-1-005 $155.02 Reno Ichikawa (012) (SR**) (UE12BT/KJ8-1-012), Kaiju No. 8 — Union Arena card price 0.0% 7d Reno Ichikawa (012) (SR**) UE12BT: Kaiju No. 8 · #UE12BT/KJ8-1-012 $139.16 Kafka Hibino (063) (SR**) (UE12BT/KJ8-1-063), Kaiju No. 8 — Union Arena card price +4.1% 7d Kafka Hibino (063) (SR**) UE12BT: Kaiju No. 8 · #UE12BT/KJ8-1-063 $119.20