Thinking about my Fire Emblem tier list again, either Engage belongs to a tier above S or Conquest to A because the former definitely deserves its own tier.
Personally, its average map is a lot better than Conquest's while also adding great additions to FE like updated boss design or break on weapon triangle advantage.
It's still crazy how Engage added more positive additions to the FE gameplay than Three Houses and the 3DS era combined.
