The games whole design is trash and is about pulling for hero's I just accept it or play something different
Theres nothing to keep you playing the game outside of grinding for artifacts not being able to defeat one boss easily is the least of this games trouble imo
I can beat it easily, that's not the issue. It's just that you're expected to do it 20 or so times to get enough mats for Itto and you can't really deviate from your party set up.
I wouldn't say the game design is trash, the over world is better than the last few Zelda games.
I do agree there isn't much to the game though. After they add a new area you have maybe 1-2 weeks of content then it's a drought again. They seem to have realized this though, as they're adding a new area in the next update.
Fred.