Pokémon TCG Explosive Impact is the Japanese equivalent of the English Language Lost Thunder set. It is the eighth main expansion in the Sun & Moon series and continues adding more Pokémon-GX focusing on the Johto region. The Explosive Impact set has 111 total cards including 16 Secret Rares, Hyper Rares, and Ultra Rares. Among the chase cards are Tyranitar-GX, and Lugia-GX.The 2018 Pokémon TCG Explosive Impact Japanese Booster Box contains 30 packs per box, and 5 cards per pack. All of the text on the cards is in Japanese.This Japanese Pokémon card product released in September 2018.