一撃マスター (Single Strike Master): Japanese Pokémon TCG Set Guide (S5I)

Single Strike Master (一撃マスター) is a Japanese Pokémon TCG expansion from the Sword & Shield era, released on 22 January 2021. Paired with Rapid Strike Master (S5R), it introduced the Single Strike battle style — a new mechanic built around raw power and heavy-hitting attacks. The set became the Japanese basis for the English Battle Styles expansion.

By PulloraX · Published 30 October 2026

Set overview

S5I contains 70 cards in the main set plus additional SR, HR, and UR secret rares. Each booster box includes 30 packs with 5 cards per pack. The Single Strike style focuses on dealing massive damage in a single blow, with dedicated Single Strike Energy and support Trainer cards that only work with Single Strike Pokémon.

Key cards

The flagship card is Single Strike Urshifu VMAX (RRR), the poster Pokémon of the Single Strike style. Other chase cards include Tyranitar V (RR) and its SR Full Art version, Houndoom V (RR), and Empoleon V (RR). The secret rare pool features HR (Hyper Rare) gold versions of the VMAX cards and UR (Ultra Rare) gold items. Karen's Conviction appears as an SR Supporter, a key Single Strike support card.

What is in the box

A Japanese S5I booster box contains 30 booster packs, each with 5 cards. Boxes are sealed with standard Pokémon Company wrapping. The set pairs with S5R Rapid Strike Master — collectors often purchase both boxes together to access the full Battle Styles card pool.

Browse Japanese Pokémon sealed product or read more in the PulloraX Magazine.