To be fair, we don’t know for sure how the tower grind will be implemented. We’ll have to wait for Nintendo to reveal more about that particular feature. However, I do understand your concern. Looking back on it, Awakening (Lunatic notwithstanding), was made a bit TOO easy since endless grinding opportunities can give units what feels like an unfair advantage in the main campaign. I won’t lie and say I didn’t appreciate when I was playing through it, however.
Conquest, in spite of how frustrating I’ve found some of the missions. is my ideal Fire Emblem experience. With rare opportunities to obtain experience outside of missions, challenging level design with unique features (like the pots), and enemy AI who won’t attack heroes they can’t hurt, it feels intense without being unfair (RNGs hasn’t been a BIG problem for me yet, but I guess I’ll have to wait and see on that front…)
That being said, I’m hoping Gaiden is about as difficult as Conquest, if not moreso. From what I know of the older Fire Emblem titles, they tended to be quite difficult, so I have high hopes for this one. Full voice acting and main characters who aren’t self-inserts are both welcome changes from the past two Fire Emblem titles. I’m legitimately excited for the 3D dungeon area.
The mobile game looks awesome, but since I don’t have a mobile device that can support it… Welp. Fire Emblem for the Switch, meanwhile, is going to have lofty expectations set upon it, especially considering the lackluster returns of the previous two home console titles.
My thoughts on Warriors are the same as @Arete. I’ve only played Hyrule Warriors, and if that game is an accurate representation of the franchise, than I doubt I’d invest in anymore. The experience was fun for a while, but since the gameplay lacked variety, the repetitive nature of the gameplay settled in. Even the variety of heroes didn’t help much with this.