Set Vol. 4: Become the Hero! allows players to gear up and become Superheroes. It adds cards that allow players to manipulate their life totals with Deathshades, summon answers to Reginleifs, and the set features three totally new strategies for decks. The rarity breakdown for the 127-plus card set is as follows: 46 kinds of one-star cards, 21 kinds of two-star cards, 18 kinds of thee-star cards, 23 kinds of four-star cards, 4 kinds of Legend Rares, an undisclosed number of Secret cards, 5 kinds of Ruler cards, and 10 Character Rulers. Booster packs will come with 10 cards, and a display box has 36 packs as well as 2 Buy-a-Box PR cards.

Daiyu recently released Gate Ruler Booster Set Vol.3: Ace of Cosmos, Assemble!, a new booster set for Gate Ruler TCG, as well as two new starter decks (see "'Gate Ruler TCG' Set").