When it comes to Nintendo collectibles, the Amiibo figures are truly one-of-a-kind. The studio has previously produced figurines of their characters, but this was a technological leap forward. The Amiibo would improve gameplay, as seen in the reveal film featuring a battle between Reggie Fils-Aime and the late Satoru Iwata.
Sometimes this would be accomplished by gaining a fighting partner, and other times it would be accomplished by acquiring rare or useful objects. Even while early Amiibo didn’t always have the quality you’d expect from Nintendo, the craze that they started is legendary all the same. But they kept coming out, and ever since Super Smash Bros. Ultimate was announced, Amiibo collectors have been riding high.
Even if the first Amiibo weren’t great, Nintendo has made sure that they’ve steadily gotten better and now feature alongside their most prominent games. The clearest example of this is Super Smash Bros. Ultimate, in which Nintendo attempted to release an Amiibo for each playable character. Almost all of the spots on the team’s roster have been filled as of now. First views at Kazuya and Sephiroth from the second Fighter Pack’s Amiibo have been made public.

Both appear to have a great deal of depth to them. The fabled wing that Sephiroth possesses could not have been simple to create. You can bet that Smash Bros. fans will rush to buy these. When Kazuya and Sephiroth were announced for the game, they were met with very positive responses from fans.
The announcement of Sephiroth at The Game Awards was so unexpected that it was hard for any other announcement to top it. His iconic Final Fantasy theme song and references to previous games like Advent Children helped make his reveal trailer for Super Smash Bros. one of the best in franchise history.
Regarding Kazuya, he was first shown to the public during E3, and his presence in the Tekken series was unexpected. Mii Costumes in the previous game were a nod in the right direction, but they didn’t provide a full-fledged combatant. Tekken’s director Harada recently lauded Masahiro Sakurai, saying that Sakurai knew exactly how to make Kazuya fight in his game throughout development, leading Harada to remark that Smash Bros. couldn’t be developed without Sakurai. Undoubtedly some really brave words there.
Sorry, but the remaining Amiibo you require has neither been announced nor given a release date at this time. The Xenoblade Chronicles 2 characters Pyrrha and Mythra were supposed to arrive before Sephiroth, but they haven’t yet. Then there’s Sora, the game’s final protagonist. Many fans want Sora to be an Amiibo, but there are obstacles that could prevent that from happening at this time. Seeing how that plays out is going to take some time.