UE12BT: Kaiju No. 8 Release Event Cards is a Union Arena set with 60 cards on its set list. Its most valuable cards by market price include Now Leave the Rest to Me, Soshiro Hoshina (029), and Kafka Hibino (Release Event Winner).
Prices as of Oct 12, 2026
| No. | Card | Rarity | Price |
|---|---|---|---|
| UEPR/KJ8-1-001 | Mina Ashiro (001) | Common | $2.30 |
| UEPR/KJ8-1-002 | Mina Ashiro (002) | Uncommon | $0.72 |
| UEPR/KJ8-1-006 | Hakua Igarashi | Common | $0.39 |
| UEPR/KJ8-1-007 | Haruichi Izumo (007) | Common | $0.50 |
| UEPR/KJ8-1-008 | Haruichi Izumo (008) | Uncommon | $0.46 |
| UEPR/KJ8-1-009 | Reno Ichikawa (009) | Common | $2.03 |
| UEPR/KJ8-1-010 | Reno Ichikawa (010) | Uncommon | $0.60 |
| UEPR/KJ8-1-013 | Konomi Okonogi (013) | Common | $1.76 |
| UEPR/KJ8-1-014 | Aoi Kaguragi (014) | Common | — |
| UEPR/KJ8-1-015 | Aoi Kaguragi (015) | Uncommon | $0.59 |
| UEPR/KJ8-1-016 | Kikoru Shinomiya (016) | Common | $4.55 |
| UEPR/KJ8-1-017 | Kikoru Shinomiya (017) | Uncommon | $0.74 |
| UEPR/KJ8-1-021 | Tae Nakanoshima | Common | $0.33 |
| UEPR/KJ8-1-022 | Bakko (022) | Common | $2.87 |
| UEPR/KJ8-1-023 | Bakko (023) | Uncommon | $1.90 |
| UEPR/KJ8-1-024 | Kafka Hibino (024) | Common | $2.09 |
| UEPR/KJ8-1-025 | Kafka Hibino (025) | Uncommon | $0.50 |
| UEPR/KJ8-1-026 | Iharu Furuhashi (026) | Common | $0.54 |
| UEPR/KJ8-1-027 | Iharu Furuhashi (027) | Uncommon | $0.64 |
| UEPR/KJ8-1-029 | Soshiro Hoshina (029) | Common | $6.43 |
| UEPR/KJ8-1-030 | Soshiro Hoshina (030) | Uncommon | $0.69 |
| UEPR/KJ8-1-032 | Akari Minase (032) | Common | $0.77 |
| UEPR/KJ8-1-033 | Defense Force's Tachikawa Base | Uncommon | $0.69 |
| UEPR/KJ8-1-034 | A6-Grade Marbled Japanese Black Wagyu Beef | Common | $0.65 |
| UEPR/KJ8-1-035 | Unleashed Combat Power, 96% | Uncommon | $3.58 |
| UEPR/KJ8-1-036 | This Is Who I Am Right Now | Uncommon | $4.61 |
| UEPR/KJ8-1-037 | Now It's Time For Me to Shoot My Foe | Uncommon | $0.60 |
| UEPR/KJ8-1-038 | Screening Exam | Uncommon | $0.76 |
| UEPR/KJ8-1-039 | Accepting Applicants | Common | $0.59 |
| UEPR/KJ8-1-041 | Mina Ashiro (041) | Common | $1.36 |
| UEPR/KJ8-1-042 | Mina Ashiro (042) | Common | $1.16 |
| UEPR/KJ8-1-043 | Mina Ashiro (043) | Uncommon | $0.50 |
| UEPR/KJ8-1-045 | Ryo Ikaruga | Common | $0.49 |
| UEPR/KJ8-1-046 | Haruichi Izumo (046) | Common | $0.54 |
| UEPR/KJ8-1-047 | Haruichi Izumo (047) | Uncommon | $0.25 |
| UEPR/KJ8-1-048 | Reno Ichikawa (048) | Common | $0.52 |
| UEPR/KJ8-1-049 | Reno Ichikawa (049) | Uncommon | $0.51 |
| UEPR/KJ8-1-051 | Konomi Okonogi (051) | Common | $0.62 |
| UEPR/KJ8-1-052 | Konomi Okonogi (052) | Uncommon | $0.84 |
| UEPR/KJ8-1-053 | Kaiju No. 8 (053) | Uncommon | $1.54 |
| UEPR/KJ8-1-056 | Aoi Kaguragi (056) | Uncommon | $0.49 |
| UEPR/KJ8-1-057 | Kikoru Shinomiya (057) | Common | $2.41 |
| UEPR/KJ8-1-058 | Kikoru Shinomiya (058) | Uncommon | $0.79 |
| UEPR/KJ8-1-060 | Kafka Hibino (060) | Common | $0.75 |
| UEPR/KJ8-1-061 | Kafka Hibino (061) · Normal | Uncommon | $0.50 |
| UEPR/KJ8-1-061 | Kafka Hibino (Release Event Participation) · Normal | Uncommon | $0.36 |
| UEPR/KJ8-1-061 | Kafka Hibino (Release Event Winner) · Foil | Uncommon | $5.37 |
| UEPR/KJ8-1-064 | Iharu Furuhashi (064) | Common | $0.48 |
| UEPR/KJ8-1-065 | Iharu Furuhashi (065) | Uncommon | $0.59 |
| UEPR/KJ8-1-066 | Soshiro Hoshina (066) | Common | $0.55 |
| UEPR/KJ8-1-067 | Soshiro Hoshina (067) | Common | $1.43 |
| UEPR/KJ8-1-068 | Soshiro Hoshina (068) | Uncommon | $0.86 |
| UEPR/KJ8-1-072 | Akari Minase (072) | Common | $0.98 |
| UEPR/KJ8-1-073 | Monster Sweeper Inc. | Uncommon | $0.75 |
| UEPR/KJ8-1-074 | Now Leave the Rest to Me | Uncommon | $9.51 |
| UEPR/KJ8-1-075 | Childhood Promise | Common | $0.59 |
| UEPR/KJ8-1-076 | Fire Training Exercise | Uncommon | $0.72 |
| UEPR/KJ8-1-078 | Fortitude 9.8 | Common | $1.18 |
| UEPR/KJ8-1-079 | Hoshina-Style Sword-Slay Technique Number Six: Eightfold Slasher | Uncommon | $1.32 |
| UEPR/KJ8-1-080 | Found You | Common | $1.15 |