Easy to boss to oblivion, but there is an answer to that
Display deck box (engraved with elder-wand style symbols)
Natsu became the final boss because of the masterpiece of Don Southern, and the fight against the Don Southern War flows similarly to the final bosses in the existing Yu -Gi -Oh, while Dual with Natsu is rather in a rivalry, similar to the event duel at the end of the game
[10] Reaching their hideout, Kite asked his Resistance comrades to go together with him and assist Yuya, arriving just in time as Mamoru Noro ordered the Duel Academy soldiers to attack Yuya along with Aster and the Tyler sisters who had decided to defect
Unless you build a deck around searching for and summoning these cards, youre going to have a hard time getting all of these cards together on the field through sheer luck alone
Weve had plenty of mechanically unique cards in SLs since, including things like Marvel and Deadpool and Sonic, so while I wish that this wasnt the distribution for such cards, it is what it is