The Sledgehammer

Strong Ishijima is a character in the Yu-Gi-Oh! ARC-V anime, the former champion of the Pro League.

History
Ishijima was due to Duel the current Champion, Yusho Sakaki, but Yusho never showed up, much to his fury.

Yu-Gi-Oh! ARC-V
Ishijima promoted the Leo Duel School in its commercial. Ishijima's manager, Nico Smiley, arranged an Action Duel between Ishijima and Yusho's son, Yuya Sakaki. As the announcements for the Duel begin, Yuya appeared to be nowhere to be found, causing Ishijima and many of the crowd to think that Yuya was as cowardly as his father. Yuya then showed up behind him, dressed as a harlequin, forcing the audience to point out Ishijima's challenger to him. Ishijima was displeased with Yuya's attitude, thinking that he was being disrespectful, and allowed Yuya to take the first turn in the Duel. Yuya immediately Summoned and began to ride away on "Performapal Hip Hippo," much to Ishijima's displeasure as he remained on one of the towers of "Frontier Fang Castle." Ishijima brought out his ace monster on his first turn, "Battleguard King," but Yuya swiftly used Action Cards to dodge and endure the repeated attacks. Yuya then proceeded to call out his own ace card, "Odd-Eyes Dragon," and used Action Cards that he'd spotted while running around the arena to pay for the cost of his "Wonder Balloons," something Ishijima picked up on. Yuya attempted a One-Turn Kill, but Ishijima used his own Action Card to prevent the damage, and in his next turn, reduced Yuya to 400 Life Points and restored his own. He appeared to have the match won, but then Yuya performed a Pendulum Summon and Summoned three monsters at once. Ishijima was shocked that it could have happened, but Nico Smiley pointed out that Yuya's Duel Disk had accepted it, so there was no error. Yuya then proceeded to wipe out all of Ishijima's Life Points by supporting his "Odd-Eyes Pendulum Dragon" with his other monsters, knocking Ishijima backwards.

After his loss, he chose to step down as champion and went overseas to train.

Deck
Ishijima plays a "Battleguard" Deck, mainly focused on Summoning his ace monster, "Battleguard King". He supports it with cards such as "Battleguard Howling" and "Battleguard Rage" which he combines with "Battleguard Magic" to replenish his Life Points.