Performance of your Units

Myrrh. -def super bane, but Fury gives her a base of 35 def and she's already +atk. With earth blessing and L'Ike on the team, she hits 60 atk w/o buffs from allies. Gave her vantage, and she sure slays. She's been doing great for me in the current tempest trial.

Eh... none of mine. A lot of units can put in a lot of work despite having "the worst" IVs, like LA!Hector, Grima, Chrom, Raven, etc.

-Spd+Def Elise. I pulled her during the 2nd(?) B8% Banner, and she has been my only healer ever since. I know she's a support unit mostly so her IVs don't matter AS much, but it's still "bad" IVs.

With my luck, I've plenty! I'll list 5:

1. Olwen, definitely. She has -Atk, +Res and has done loads of work and I cherish her deeply.
2. Faye, also -Atk +Res... not at all comparable to Olwen's contributions but I've stubbornly deployed her and she's pulled her weight more or less.
3. Rhajat, -HP, +Def. I really like her too
4. Ike, -Spd +Def, one of my earliest 5* not a big fan, but he's a hard worker
5. Hector, -Def +HP, still powerful

There are more of course but these have been doing plenty of work.

Ayra -Spd +Hp
I give her Darting Blow and she destroys everything, easily

I managed to summon winter tharja who had +spd -atk IVs, probably the worst possible IVs. She still wrecks on my armour teams and carried a couple infernal grand hero battles for me.

I'm a long time player and another one that had really bugged me from the beginning is that I managed to summon ryouma at the start, with -spd IVs. When the first hero fest came out, I used my saved orbs to summon 2 more that were -atk and -spd and it was only a couple months ago that I summon a +def -hp one. Even so, he's my S supported unit and he has so many inherited skills that I switch around for arena, GHBs and tempest trials. Never got a +atk or +spd one, still waiting for the next time he is focus again.

Myrrh (-atk +hp)
NY!Azura (-atk +res)
Julia (-atk +def)
Elise (-atk +def)

Julia carried me a lot when I started since I pulled her on her first banner alongside Seliph. She has sadly been phased out of use as I have pulled other green mages and have not yet pulled a second Julia. Myrrh is still good and fills the spot in my flier team as an anti-archer hero. Azura does not matter too much and still has excellent utility. Elise is only sometimes used in Tempest Trials, though I have a Genny waiting for a better one to show up. Others that were used before I either fixed them via merging or foddered them were my -atk +spd Hector, -atk +hp Innes, and my -spd +atk S!Corrin (who I was recently able to merge with a -hp +spd on the last legendary hero banner). Only Innes saw very fringe use.

oooh also forgot to mention -atk +spd PA Olivia! I refined her Dancer's fan for speed and now she sits at 38 spd. She's a fantastic support unit, healing up her allies with 21 HP and Wings of Mercy! She also holds her own against mages pretty well with her neutral res.

+Atk and -Spd Elincia.

I pulled her when she first appeared in the her first banner (with Oscar and Nephenee) and was just so happy to pull her regardless of her lowered speed. Anyway, her speed doesn't matter if she can just kill everything with her first 2 hits, made even better when you have Hone and Goad Fliers support. ( ^_^ )

My Grima is +spd -atk. That's like the worst, but that I choose to focus on the speed boon instead and now most unit except the fastest (and brave weapon user ofc) can't double him.

I use my Blucina (-Spd +Res) very commonly outside of Arena, as she grants such great buffs.
Same for my PAzura (same IVs).
I also use my LA Hector (-Atk +Res), as I have no other decent green tank.
And my SCamilla should be mentioned here, too (-Def +HP), as her IVs are cruel actually, but she is the only green flying mage.
Last but not least, there is my -Spd +Res Sonya. She is not perfect, but she came to me when I had no solid Reinhardt counters, so she was perfect for me, despite her IVs aren't good technically.

I run all of them with the base kit. I feel uncomfy to toss them precious skills.

I also got a -atk +spd Micaiah. She can still knock out most cavs and armors.

As for the other units I have...

Elincia (+HP -atk), got Swift Sparrow to increase quad chances.
Amelia (+res -spd), one of my cornerstones of my armor team.
Mia (+res -spd), still pulling her weight.

I'm lucky enough so the units I use have mostly good IVs, or not so bad IVs. Apart from my Shigure, but I hardly use him because of his IVs even though I really wanted him. Def+ Atk- and... Well when you're not that offensive to begin with, 40 Atk (with weapon ah) doesn't help you out.

Elincia (+def -res) is the one that comes to mind, but it's as if she has a neutral statline.

-Atk / +def Micaiah; I have her with double distant defense, QR2, and ally supported with NY Corrin who provides +12 def and res, and she really shines

-Atk / +res F Morgan makes a killer res tank with mirror stance, QR2, and her native weapon in mixed teams; she has Blarblade in a flier team and is an awesome dual phase unit

I have two main units in mind
My +Hp -Atk Lyn used to put in work when i used her a lot, but she’s kinda fallen off for me
Also, I got a +Hp -SPD Ninian who I use for my hybrid manakete team and she’s been really good as a red counter

+Def/-Atk BLucina. With fury, she reaches 37 Def and 40Spd which make her quite hard to kill, while still having an effective Atk of 50. She is mainly use for support, but when she is needed to take out a specific unit(mostly red), she does her job well.