Before reading:

It's important to note that the following information is not yet confirmed and is subject to change. We have yet to see any sell sheets ourselves to verify and confirm the details. Take this information with a pinch of salt.

Black Bolt / White Flare

We've received some first details on what it seems, the fourth set of 2025 for Japan slated for release in June 2025, named Expansion Pack Black Bolt / White Flare. This dual set releases after Expansion Pack Glory of Team Rocket.

This set is called:

Scarlet & Violet Expansion Pack White Flare

(ポケモンカードゲーム スカーレット&バイオレット 拡張パック ホワイトフレア)

Scarlet & Violet Expansion Pack Black Bolt

(ポケモンカードゲーム スカーレット&バイオレット 拡張パック ブラックボルト)

This set would launch on June 6, 2025, with each booster box containing 20 packs.

• The set size is unknown for now.
• 1 Booster box includes 20 packs.
• Booster box price currently unknown

Speculation:

This is matching the two trademarks recently filed.

Also speculation is going around that this set would include all 156 Unova Pokemon released in the Black & White videogames. Also a mirrorfoil card would be included in each pack and 4 Art Rare cards in 1 Box. This is all yet to be confirmed soon. The set is already being compared to Scarlet & Violet - 151, due to it's similarties.

Also deck sleeves / deck box of Zekrom and Reshiram would be available. 

Lastly a Black Bolt & White Flare Card File Set that includes a promo card of Victini with 3 booster packs each of Black Bolt & White Flare which would cost 2640 yen.