Yeah, with Draug I'll actually have four armour knights, hitting every colour, so I should be able to beat that quest which has nagged me since the start of the month.
That's what tier lists basically already ARE, to be fair. <_< No disrespect meant to trying to rank heroes objectively based on their overall performance versus like, a random crop of units from Tenth Stratum or the Lunatic GBH battles/later story chapters, I find those maps very cool and would normally agree that that's the norm for any sort of evaluation! But specifically tier lists are catered towards the high-end competitive spectrum, which in this game is pretty much arena, and I personally find that the most interesting to evaluate even if, yes, it applies to a generally small portion of the game's content. Again though, since feathers mostly come from there it's still kind of an important thing to look at even for casual players.
The high-end PvP has its place, although notably that's not what
Fire Emblem tier lists generally measure, and I question if it's what most FEH ones measure. Takumi is generally high on those lists and if you're going for the Absolute Highest Scores he's not considered that great. So clearly if they are focused on arena they aren't focused on the highest end of it. (More likely they're not focused on any one aspect at all, instead trying to reflect different things depending on the preferences of the individuals discussing/voting on them, much like we are. And honestly that's okay. Checking up on random tier discussion searches, I certainly see debate out there as to whether BST should be factored in or not, and if so, how much, so good to know we're not alone!)
Feathers certainly matter of course; I never implied they didn't! We all want feathers. Why do we want feathers? I can see too main reasons:
(a) You want to promote a favourite
(b) You want to make your team stronger for story fights/GHBs/you just like having a strong team, okay
Most notably feathers should not be used strictly for getting better arena scores arena because sinking 20k into a unit for arena purposes is a losing bet; you finish be a tier lower for 40 weeks in a row and still break even, and it's virtually unthinkable that one unit will make that big a difference anyway (especially with months of draws and potential meta shifts in between).
Now it's fine to promote Sharena because you think she'll be a good combat unit (and as you say, she is!) and that she will fit your team well, but if the point is "her BST will help me get more feathers" then you need to get off that hamster wheel. I realised this myself when I was considering promoting 4* Effie!
Will again throw my acknowledgement that F Corrin looks great and is probably being underrated; even with Falchion weakness I think she wins 1v1 against them anyway, worth noting she 2HKOs Lucina and wins off of baiting for instance. She wishes Julia hadn't been introduced as a focus hero, though.
Yeah Julia is bad times for all that she's bad times for most blues (Sharena survives with single-digit HP, which don't get me wrong is better! but still a bad matchup, she can't take that + even a single hit from Lyn, for instance). The Falchion weakness is a concern but it just means that Corrin(/Nowi) vs. Falchion user are neutral and bloody affairs (both sides get Atk x 1.2). Honestly, weakness hits are worst when neutral, in many ways; you were losing WTD matchups anyway, and WTA matchups are still winnable, just neutral ones become clear losses and this is bad. Having run both Corrin and Tiki extensively, the dragon weakness is a substantially bigger issue for Tiki.
Beyond that, Corrin's def is high enough to mostly laugh at lance users in addition to her obvious advantages against red. Archers don't do well against her either (charge up her limit + get hit by Seal Res so you can more easily kill them before they get THEIR limit) so she kinda has that same sturdy feel that you describe. Only 12 other characters in the game equal her def and of those only one other is even within 5 speed of her (i.e. they all have to worry about doubles hitting their lower res). That character is Subaki, which is really freaking weird because Subaki is more or less the slowest pegasus knight in the
series.
ps get on IRC when you have a chance, Laggy, I want to talk TF7 with you