UE20BT: That Time I Got Reincarnated as a Slime: what's in the box
Released Jun 26, 2026. A booster box sells for $162.26 on TCGplayer as of October 16, 2026. Below: every kind of pull in the set with what its cards sell for, and the set's most valuable cards. Spread doesn't have documented pull rates for this set yet, so it can't yet say whether opening a box beats keeping it sealed.
Every kind of pull
Cards grouped by rarity or special printing, most valuable first. Pictures show the top cards in each; hover or tap for names.
| Kind of pull | Average price | Typical (median) price |
|---|---|---|
Box Topper Gold Foil 1 card | $273.01 | $273.01 |
Super Rare 2-Star   11 cards | $252.41 | $292.68 |
Action Point   13 cards | $63.59 | $51.40 |
Rare 1-Star   20 cards | $16.51 | $16.96 |
Super Rare 1-Star   11 cards | $16.10 | $15.96 |
Uncommon 1-Star   6 cards | $14.52 | $10.76 |
Common 1-Star 1 card | $11.07 | $11.07 |
Super Rare   22 cards | $2.65 | $1.98 |
Most valuable cards
- Luminus (048) (SR**)Super Rare 2-Star · $324.06
- Hinata (034) (SR**)Super Rare 2-Star · $323.96
- Milim (085) (SR**)Super Rare 2-Star · $311.07
Rimuru (044) (SR**)Super Rare 2-Star · $292.68- Rimuru (107) (Box Topper Gold Foil)Super Rare 1-Star · $273.01
Benimaru (027) (SR**)Super Rare 2-Star · $193.64
Shizu (043) (SR**)Super Rare 2-Star · $192.00- Action Point Card (AP01)Action Point · $141.51
Veldora (071) (SR**)Super Rare 2-Star · $129.46- Action Point Card (AP13)Action Point · $114.28
Card makers don't publish pull rates. Log what came out of your boxes in the Pull Log: every log makes the rates more accurate, and once enough boxes are logged Spread can say whether opening beats keeping the box sealed.
Log your boxesPrices: TCGplayer market prices (recent sales). All Union Arena sets · How pull rates are calculated.