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UE12BT · Union Arena · October 31, 2025

Union Arena: Kaiju No. 8

Kaiju No. 8 came to Union Arena in October 2025 with 120 cards. Heroines on its cards include Kikoru Shinomiya, Konomi Okonogi and Akari Minase.

Box buying guide ↓Prices updated Oct 7, 2026

Full UE12BT card list (120 cards)

The complete UE12BT list — parallels, alternate arts, and cross-set reprint slots included — with TCGplayer market prices refreshed weekly (last update 2026-10-07).

Card imageCodeCardRarityMarket priceBuy
Mina Ashiro (001) (UE12BT/KJ8-1-001) cardUE12BT/KJ8-1-001Mina Ashiro (001)Common$0.1Shop
Mina Ashiro (002) (UE12BT/KJ8-1-002) cardUE12BT/KJ8-1-002Mina Ashiro (002)Uncommon$0.16Shop
Mina Ashiro (003) (UE12BT/KJ8-1-003) cardUE12BT/KJ8-1-003Mina Ashiro (003)Rare$0.16Shop
Mina Ashiro (003) (R*) (UE12BT/KJ8-1-003) cardUE12BT/KJ8-1-003Mina Ashiro (003) (R*)Rare 1-Star$11.04Shop
Mina Ashiro (004) (UE12BT/KJ8-1-004) cardUE12BT/KJ8-1-004Mina Ashiro (004)Super Rare$1.25Shop
Mina Ashiro (004) (SR*) (UE12BT/KJ8-1-004) cardUE12BT/KJ8-1-004Mina Ashiro (004) (SR*)Super Rare 1-Star$28.61Shop
Mina Ashiro (005) (UE12BT/KJ8-1-005) cardUE12BT/KJ8-1-005Mina Ashiro (005)Super Rare$3.17Shop
Mina Ashiro (005) (SR*) (UE12BT/KJ8-1-005) cardUE12BT/KJ8-1-005Mina Ashiro (005) (SR*)Super Rare 1-Star$26.77Shop
Mina Ashiro (005) (SR**) (UE12BT/KJ8-1-005) cardUE12BT/KJ8-1-005Mina Ashiro (005) (SR**)Super Rare 2-Star$155Shop
Hakua Igarashi (UE12BT/KJ8-1-006) cardUE12BT/KJ8-1-006Hakua IgarashiCommon$0.07Shop
Haruichi Izumo (007) (UE12BT/KJ8-1-007) cardUE12BT/KJ8-1-007Haruichi Izumo (007)Common$0.07Shop
Haruichi Izumo (008) (UE12BT/KJ8-1-008) cardUE12BT/KJ8-1-008Haruichi Izumo (008)Uncommon$0.09Shop
Haruichi Izumo (008) (U*) (UE12BT/KJ8-1-008) cardUE12BT/KJ8-1-008Haruichi Izumo (008) (U*)Uncommon 1-Star$1.89Shop
Reno Ichikawa (009) (UE12BT/KJ8-1-009) cardUE12BT/KJ8-1-009Reno Ichikawa (009)Common$0.11Shop
Reno Ichikawa (009) (Box Topper Foil) (UE12BT/KJ8-1-009) cardUE12BT/KJ8-1-009Reno Ichikawa (009) (Box Topper Foil)Common$1.25Shop
Reno Ichikawa (010) (UE12BT/KJ8-1-010) cardUE12BT/KJ8-1-010Reno Ichikawa (010)Uncommon$0.11Shop
Reno Ichikawa (011) (UE12BT/KJ8-1-011) cardUE12BT/KJ8-1-011Reno Ichikawa (011)Rare$0.08Shop
Reno Ichikawa (012) (UE12BT/KJ8-1-012) cardUE12BT/KJ8-1-012Reno Ichikawa (012)Super Rare$7.45Shop
Reno Ichikawa (012) (SR*) (UE12BT/KJ8-1-012) cardUE12BT/KJ8-1-012Reno Ichikawa (012) (SR*)Super Rare 1-Star$28.42Shop
Reno Ichikawa (012) (SR**) (UE12BT/KJ8-1-012) cardUE12BT/KJ8-1-012Reno Ichikawa (012) (SR**)Super Rare 2-Star$139Shop
Konomi Okonogi (013) (UE12BT/KJ8-1-013) cardUE12BT/KJ8-1-013Konomi Okonogi (013)Common$0.05Shop
Aoi Kaguragi (014) (UE12BT/KJ8-1-014) cardUE12BT/KJ8-1-014Aoi Kaguragi (014)Common$0.04Shop
Aoi Kaguragi (015) (UE12BT/KJ8-1-015) cardUE12BT/KJ8-1-015Aoi Kaguragi (015)Uncommon$0.06Shop
Aoi Kaguragi (015) (U*) (UE12BT/KJ8-1-015) cardUE12BT/KJ8-1-015Aoi Kaguragi (015) (U*)Uncommon 1-Star$1.59Shop
Kikoru Shinomiya (016) (UE12BT/KJ8-1-016) cardUE12BT/KJ8-1-016Kikoru Shinomiya (016)Common$0.07Shop
Kikoru Shinomiya (016) (Box Topper Foil) (UE12BT/KJ8-1-016) cardUE12BT/KJ8-1-016Kikoru Shinomiya (016) (Box Topper Foil)Common$0.79Shop
Kikoru Shinomiya (017) (UE12BT/KJ8-1-017) cardUE12BT/KJ8-1-017Kikoru Shinomiya (017)Uncommon$0.08Shop
Kikoru Shinomiya (018) (UE12BT/KJ8-1-018) cardUE12BT/KJ8-1-018Kikoru Shinomiya (018)Rare$0.08Shop
Kikoru Shinomiya (019) (UE12BT/KJ8-1-019) cardUE12BT/KJ8-1-019Kikoru Shinomiya (019)Super Rare$0.98Shop
Kikoru Shinomiya (019) (SR*) (UE12BT/KJ8-1-019) cardUE12BT/KJ8-1-019Kikoru Shinomiya (019) (SR*)Super Rare 1-Star$15.76Shop
Kikoru Shinomiya (020) (UE12BT/KJ8-1-020) cardUE12BT/KJ8-1-020Kikoru Shinomiya (020)Super Rare$0.77Shop
Kikoru Shinomiya (020) (SR*) (UE12BT/KJ8-1-020) cardUE12BT/KJ8-1-020Kikoru Shinomiya (020) (SR*)Super Rare 1-Star$19.06Shop
Kikoru Shinomiya (020) (SR**) (UE12BT/KJ8-1-020) cardUE12BT/KJ8-1-020Kikoru Shinomiya (020) (SR**)Super Rare 2-Star$189Shop
Tae Nakanoshima (UE12BT/KJ8-1-021) cardUE12BT/KJ8-1-021Tae NakanoshimaCommon$0.05Shop
Bakko (022) (UE12BT/KJ8-1-022) cardUE12BT/KJ8-1-022Bakko (022)Common$0.14Shop
Bakko (023) (UE12BT/KJ8-1-023) cardUE12BT/KJ8-1-023Bakko (023)Uncommon$0.13Shop
Kafka Hibino (024) (UE12BT/KJ8-1-024) cardUE12BT/KJ8-1-024Kafka Hibino (024)Common$0.09Shop
Kafka Hibino (025) (UE12BT/KJ8-1-025) cardUE12BT/KJ8-1-025Kafka Hibino (025)Uncommon$0.08Shop
Iharu Furuhashi (026) (UE12BT/KJ8-1-026) cardUE12BT/KJ8-1-026Iharu Furuhashi (026)Common$0.07Shop
Iharu Furuhashi (027) (UE12BT/KJ8-1-027) cardUE12BT/KJ8-1-027Iharu Furuhashi (027)Uncommon$0.09Shop
Iharu Furuhashi (028) (UE12BT/KJ8-1-028) cardUE12BT/KJ8-1-028Iharu Furuhashi (028)Rare$0.1Shop
Iharu Furuhashi (028) (R*) (UE12BT/KJ8-1-028) cardUE12BT/KJ8-1-028Iharu Furuhashi (028) (R*)Rare 1-Star$5.07Shop
Soshiro Hoshina (029) (UE12BT/KJ8-1-029) cardUE12BT/KJ8-1-029Soshiro Hoshina (029)Common$0.14Shop
Soshiro Hoshina (030) (UE12BT/KJ8-1-030) cardUE12BT/KJ8-1-030Soshiro Hoshina (030)Uncommon$0.14Shop
Soshiro Hoshina (031) (UE12BT/KJ8-1-031) cardUE12BT/KJ8-1-031Soshiro Hoshina (031)Rare$0.14Shop
Soshiro Hoshina (031) (R*) (UE12BT/KJ8-1-031) cardUE12BT/KJ8-1-031Soshiro Hoshina (031) (R*)Rare 1-Star$7.29Shop
Akari Minase (032) (UE12BT/KJ8-1-032) cardUE12BT/KJ8-1-032Akari Minase (032)Common$0.08Shop
Defense Force's Tachikawa Base (UE12BT/KJ8-1-033) cardUE12BT/KJ8-1-033Defense Force's Tachikawa BaseUncommon$0.09Shop
A6-Grade Marbled Japanese Black Wagyu Beef (UE12BT/KJ8-1-034) cardUE12BT/KJ8-1-034A6-Grade Marbled Japanese Black Wagyu BeefCommon$0.07Shop
Unleashed Combat Power, 96% (UE12BT/KJ8-1-035) cardUE12BT/KJ8-1-035Unleashed Combat Power, 96%Uncommon$0.18Shop
This Is Who I Am Right Now (UE12BT/KJ8-1-036) cardUE12BT/KJ8-1-036This Is Who I Am Right NowUncommon$0.27Shop
Now It's Time For Me to Shoot My Foe (UE12BT/KJ8-1-037) cardUE12BT/KJ8-1-037Now It's Time For Me to Shoot My FoeUncommon$0.12Shop
Screening Exam (UE12BT/KJ8-1-038) cardUE12BT/KJ8-1-038Screening ExamUncommon$0.09Shop
Accepting Applicants (UE12BT/KJ8-1-039) cardUE12BT/KJ8-1-039Accepting ApplicantsCommon$0.07Shop
Squadron-Style Axe Technique Number One - Falling Thunder (UE12BT/KJ8-1-040) cardUE12BT/KJ8-1-040Squadron-Style Axe Technique Number One - Falling ThunderRare$0.11Shop
Mina Ashiro (041) (UE12BT/KJ8-1-041) cardUE12BT/KJ8-1-041Mina Ashiro (041)Common$0.09Shop
Mina Ashiro (041) (Box Topper Foil) (UE12BT/KJ8-1-041) cardUE12BT/KJ8-1-041Mina Ashiro (041) (Box Topper Foil)Common$0.29Shop
Mina Ashiro (042) (UE12BT/KJ8-1-042) cardUE12BT/KJ8-1-042Mina Ashiro (042)Common$0.07Shop
Mina Ashiro (043) (UE12BT/KJ8-1-043) cardUE12BT/KJ8-1-043Mina Ashiro (043)Uncommon$0.08Shop
Mina Ashiro (044) (UE12BT/KJ8-1-044) cardUE12BT/KJ8-1-044Mina Ashiro (044)Rare$0.13Shop
Ryo Ikaruga (UE12BT/KJ8-1-045) cardUE12BT/KJ8-1-045Ryo IkarugaCommon$0.11Shop
Haruichi Izumo (046) (UE12BT/KJ8-1-046) cardUE12BT/KJ8-1-046Haruichi Izumo (046)Common$0.06Shop
Haruichi Izumo (047) (UE12BT/KJ8-1-047) cardUE12BT/KJ8-1-047Haruichi Izumo (047)Uncommon$0.08Shop
Reno Ichikawa (048) (UE12BT/KJ8-1-048) cardUE12BT/KJ8-1-048Reno Ichikawa (048)Common$0.1Shop
Reno Ichikawa (049) (UE12BT/KJ8-1-049) cardUE12BT/KJ8-1-049Reno Ichikawa (049)Uncommon$0.1Shop
Reno Ichikawa (050) (UE12BT/KJ8-1-050) cardUE12BT/KJ8-1-050Reno Ichikawa (050)Rare$0.12Shop
Reno Ichikawa (050) (R*) (UE12BT/KJ8-1-050) cardUE12BT/KJ8-1-050Reno Ichikawa (050) (R*)Rare 1-Star$5.59Shop
Konomi Okonogi (051) (UE12BT/KJ8-1-051) cardUE12BT/KJ8-1-051Konomi Okonogi (051)Common$0.05Shop
Konomi Okonogi (052) (UE12BT/KJ8-1-052) cardUE12BT/KJ8-1-052Konomi Okonogi (052)Uncommon$0.1Shop
Kaiju No. 8 (053) (UE12BT/KJ8-1-053) cardUE12BT/KJ8-1-053Kaiju No. 8 (053)Uncommon$0.09Shop
Kaiju No. 8 (054) (UE12BT/KJ8-1-054) cardUE12BT/KJ8-1-054Kaiju No. 8 (054)Super Rare$3.74Shop
Kaiju No. 8 (054) (SR*) (UE12BT/KJ8-1-054) cardUE12BT/KJ8-1-054Kaiju No. 8 (054) (SR*)Super Rare 1-Star$26.95Shop
Kaiju No. 8 (055) (UE12BT/KJ8-1-055) cardUE12BT/KJ8-1-055Kaiju No. 8 (055)Super Rare$3.17Shop
Kaiju No. 8 (055) (SR**) (UE12BT/KJ8-1-055) cardUE12BT/KJ8-1-055Kaiju No. 8 (055) (SR**)Super Rare 2-Star—Shop
Kaiju No. 8 (055) (SR***) (UE12BT/KJ8-1-055) cardUE12BT/KJ8-1-055Kaiju No. 8 (055) (SR***)Super Rare 3-Star—Shop
Kaiju No. 8 (055) (SR***) (Serial Numbered) (UE12BT/KJ8-1-055) cardUE12BT/KJ8-1-055Kaiju No. 8 (055) (SR***) (Serial Numbered)Super Rare 3-Star—Shop
Aoi Kaguragi (056) (UE12BT/KJ8-1-056) cardUE12BT/KJ8-1-056Aoi Kaguragi (056)Uncommon$0.06Shop
Kikoru Shinomiya (057) (UE12BT/KJ8-1-057) cardUE12BT/KJ8-1-057Kikoru Shinomiya (057)Common$0.09Shop
Kikoru Shinomiya (058) (UE12BT/KJ8-1-058) cardUE12BT/KJ8-1-058Kikoru Shinomiya (058)Uncommon$0.08Shop
Kikoru Shinomiya (059) (UE12BT/KJ8-1-059) cardUE12BT/KJ8-1-059Kikoru Shinomiya (059)Rare$0.11Shop
Kikoru Shinomiya (059) (R*) (UE12BT/KJ8-1-059) cardUE12BT/KJ8-1-059Kikoru Shinomiya (059) (R*)Rare 1-Star$5.68Shop
Kafka Hibino (060) (UE12BT/KJ8-1-060) cardUE12BT/KJ8-1-060Kafka Hibino (060)Common$0.1Shop
Kafka Hibino (060) (Box Topper Foil) (UE12BT/KJ8-1-060) cardUE12BT/KJ8-1-060Kafka Hibino (060) (Box Topper Foil)Common$0.58Shop
Kafka Hibino (061) (UE12BT/KJ8-1-061) cardUE12BT/KJ8-1-061Kafka Hibino (061)Uncommon$0.13Shop
Kafka Hibino (062) (UE12BT/KJ8-1-062) cardUE12BT/KJ8-1-062Kafka Hibino (062)Rare$0.13Shop
Kafka Hibino (062) (R*) (UE12BT/KJ8-1-062) cardUE12BT/KJ8-1-062Kafka Hibino (062) (R*)Rare 1-Star$7.73Shop
Kafka Hibino (063) (UE12BT/KJ8-1-063) cardUE12BT/KJ8-1-063Kafka Hibino (063)Super Rare$3.78Shop
Kafka Hibino (063) (SR*) (UE12BT/KJ8-1-063) cardUE12BT/KJ8-1-063Kafka Hibino (063) (SR*)Super Rare 1-Star$18.5Shop
Kafka Hibino (063) (SR**) (UE12BT/KJ8-1-063) cardUE12BT/KJ8-1-063Kafka Hibino (063) (SR**)Super Rare 2-Star$115Shop
Iharu Furuhashi (064) (UE12BT/KJ8-1-064) cardUE12BT/KJ8-1-064Iharu Furuhashi (064)Common$0.1Shop
Iharu Furuhashi (065) (UE12BT/KJ8-1-065) cardUE12BT/KJ8-1-065Iharu Furuhashi (065)Uncommon$0.08Shop
Soshiro Hoshina (066) (UE12BT/KJ8-1-066) cardUE12BT/KJ8-1-066Soshiro Hoshina (066)Common$0.07Shop
Soshiro Hoshina (066) (Box Topper Foil) (UE12BT/KJ8-1-066) cardUE12BT/KJ8-1-066Soshiro Hoshina (066) (Box Topper Foil)Common$0.37Shop
Soshiro Hoshina (067) (UE12BT/KJ8-1-067) cardUE12BT/KJ8-1-067Soshiro Hoshina (067)Common$0.09Shop
Soshiro Hoshina (068) (UE12BT/KJ8-1-068) cardUE12BT/KJ8-1-068Soshiro Hoshina (068)Uncommon$0.11Shop
Soshiro Hoshina (069) (UE12BT/KJ8-1-069) cardUE12BT/KJ8-1-069Soshiro Hoshina (069)Rare$0.1Shop
Soshiro Hoshina (070) (UE12BT/KJ8-1-070) cardUE12BT/KJ8-1-070Soshiro Hoshina (070)Super Rare$0.37Shop
Soshiro Hoshina (070) (SR*) (UE12BT/KJ8-1-070) cardUE12BT/KJ8-1-070Soshiro Hoshina (070) (SR*)Super Rare 1-Star$9.61Shop
Soshiro Hoshina (071) (UE12BT/KJ8-1-071) cardUE12BT/KJ8-1-071Soshiro Hoshina (071)Super Rare$0.82Shop
Soshiro Hoshina (071) (SR**) (UE12BT/KJ8-1-071) cardUE12BT/KJ8-1-071Soshiro Hoshina (071) (SR**)Super Rare 2-Star$116Shop
Akari Minase (072) (UE12BT/KJ8-1-072) cardUE12BT/KJ8-1-072Akari Minase (072)Common$0.06Shop
Monster Sweeper Inc. (UE12BT/KJ8-1-073) cardUE12BT/KJ8-1-073Monster Sweeper Inc.Uncommon$0.08Shop
Now Leave the Rest to Me (UE12BT/KJ8-1-074) cardUE12BT/KJ8-1-074Now Leave the Rest to MeUncommon$0.24Shop
Childhood Promise (UE12BT/KJ8-1-075) cardUE12BT/KJ8-1-075Childhood PromiseCommon$0.06Shop
Fire Training Exercise (UE12BT/KJ8-1-076) cardUE12BT/KJ8-1-076Fire Training ExerciseUncommon$0.08Shop
Brace Yourself (UE12BT/KJ8-1-077) cardUE12BT/KJ8-1-077Brace YourselfRare$0.11Shop
Fortitude 9.8 (UE12BT/KJ8-1-078) cardUE12BT/KJ8-1-078Fortitude 9.8Common$0.08Shop
Hoshina-Style Sword-Slay Technique Number Six: Eightfold Slasher (UE12BT/KJ8-1-079) cardUE12BT/KJ8-1-079Hoshina-Style Sword-Slay Technique Number Six: Eightfold SlasherUncommon$0.09Shop
Found You (UE12BT/KJ8-1-080) cardUE12BT/KJ8-1-080Found YouCommon$0.05Shop
Action Point Card (AP01) (UE12BT/KJ8-1-AP01) cardUE12BT/KJ8-1-AP01Action Point Card (AP01)Action Point$38.95Shop
Action Point Card (AP02) (UE12BT/KJ8-1-AP02) cardUE12BT/KJ8-1-AP02Action Point Card (AP02)Action Point$50.51Shop
Action Point Card (AP03) (UE12BT/KJ8-1-AP03) cardUE12BT/KJ8-1-AP03Action Point Card (AP03)Action Point$42.23Shop
Action Point Card (AP04) (UE12BT/KJ8-1-AP04) cardUE12BT/KJ8-1-AP04Action Point Card (AP04)Action Point$28.83Shop
Action Point Card (AP05) (UE12BT/KJ8-1-AP05) cardUE12BT/KJ8-1-AP05Action Point Card (AP05)Action Point$69.83Shop
Action Point Card (AP06) (UE12BT/KJ8-1-AP06) cardUE12BT/KJ8-1-AP06Action Point Card (AP06)Action Point$24Shop
Action Point Card (AP07) (UE12BT/KJ8-1-AP07) cardUE12BT/KJ8-1-AP07Action Point Card (AP07)Action Point$0.34Shop
Action Point Card (AP08) (UE12BT/KJ8-1-AP08) cardUE12BT/KJ8-1-AP08Action Point Card (AP08)Action Point$0.95Shop
Action Point Card (AP09) (UE12BT/KJ8-1-AP09) cardUE12BT/KJ8-1-AP09Action Point Card (AP09)Action Point$0.31Shop
Action Point Card (AP10) (UE12BT/KJ8-1-AP10) cardUE12BT/KJ8-1-AP10Action Point Card (AP10)Action Point$0.49Shop
Action Point Card (AP11) (UE12BT/KJ8-1-AP11) cardUE12BT/KJ8-1-AP11Action Point Card (AP11)Action Point$0.32Shop

Prices are editorial estimates, not live quotes.

What's in Union Arena: Kaiju No. 8: card count, rarities and waifu cards

The UE12BT list holds 120 entries, counting parallel and alternate-art versions as separate cards, and 33 of them feature a female character. The most common rarities are Common (35), Uncommon (28), Rare (12), Action Point (11) and Super Rare (10).

The most valuable card in the list right now is Kikoru Shinomiya (020) (SR**) at $189. Prices come from weekly TCGplayer market data, so that figure moves with the market rather than being an editorial estimate — the table above always shows the current ordering.

Booster box buying guide

For one heroine, buying her single is usually cheaper than opening boxes for her.

Boxes on TCGplayerBoxes on eBay

UE12BT sealed products

TCGplayer market prices as of 2026-10-07, refreshed weekly.

Compare the best waifu booster boxes in every game →

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Union Arena: Kaiju No. 8: quick answers

How many cards are in Union Arena: Kaiju No. 8 (UE12BT)?
The full UE12BT card list contains 120 entries including parallel and alternate-art versions. The complete list with market prices is on this page, refreshed weekly.
What are the chase cards in Union Arena: Kaiju No. 8?
The most valuable waifu cards in the list are Kikoru Shinomiya (020) (SR**) ($189), Mina Ashiro (005) (SR**) ($155), Mina Ashiro (004) (SR*) ($28.61), at weekly TCGplayer market prices.
Is a Union Arena: Kaiju No. 8 booster box worth buying?
For one heroine, buying her single is usually cheaper than opening boxes for her.
When was Union Arena: Kaiju No. 8 released?
Union Arena: Kaiju No. 8 (UE12BT) released on October 31, 2025 for Union Arena.
How many waifu cards are in Union Arena: Kaiju No. 8?
33 of the 120 cards in the list feature a female character we track, counting parallel and alternate-art prints separately. The premium ones are listed above with prices; the rest are in the full card list on this page.
Where can I buy Union Arena: Kaiju No. 8 singles?
Every card in the list links to its own page with buy links to TCGplayer and eBay. For a specific chase card, buying the single is almost always cheaper than the expected cost of pulling it from sealed product.
$99.57Shop UE12BT box →