Satellier

Setsuna is the 2nd best archer after cordelia, definitely promote her, also raven isn't great. If…

Yes, a 5* naturally has 2 more of every stat vs a 4*
Making a 4* +10 would add +4 to every…

Sell her for feathers and build masked marth

+ atk cordelia would actually be better if you're going to use firesweep + life and death, speed…

Yes, Yes, and Yes
Miracle is great on super squishy brave/high speed nukes like reinhardt,…

Speed for sure, Lyn doesn't have crap for attack, even with high stat

go for the +spd corrin
The klein and Kagero are also useable

The extra range heal is very nice, you always want that or retribution (retribution heals for a t…

I would go with Fae, who is pretty underrated, thats not a bad stat spread but he won't be great…

You can, sort of
at 35+ (the closer to 40 the easier) compare your unit's stats to the set…