The Ultimate Dragon!
Using the power of the imaginary shadow, Shirou hunts down Heero. Now that he has the strength he wants, he should be able to beat Heero ………… Shiro thinks so, but he doesn't realize it. The strength of Shadowverse is the strength of the heart. The will to never give up is the most important thing. "Go, Shirou! I get the legend!"
Aired 20/10/2020EP 27 - The Ultimate Dragon!

2020
Shadowverse
The hottest battle is about to begin!
While attending Tensei Academy, Hiiro Ryuugasaki ends up acquiring a mysterious smartphone. It comes installed with the popular card game, Shadowverse! Meeting new rivals, facing major tournaments, forging bonds with friends... Shadowverse leads Hiiro to all sorts of new experiences, all that serve to "evolve" him...
(Source: Crunchyroll)