Opinion/Discussion on a few Pegasus Knights

Looking for folks opinions on these 3 Pegasus Knights. And looking for a little clarification on some of their abilities.

Have all at 3 star, but looking to quickly upgrade 1 or 2 of them to 4 star. Just wonder which one (or two) of the 3 I should look to upgrade.

Would appreciate your thoughts and input on them.

Here's my 3 Blue Flyers and my thoughts:

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Subaki -- At first, I thought I'd like this dude better than the other two. Decent Att/Spd/Def/Res. None amazing. But all-around decent... meaning he doesn't have any major holes in his game.

Swap is nice & can be really useful. But Sapphire seems iffy. Ineffective as much as effective with the +/- against red/green.

But most disappointing is Quick Riposte. Was initially excited about this ability. But doesn't seem as effective as I first predicted. Of course I'm not sure I entire get it's functionality. From what I can see, when attacked is Subaki and has enough health... if he would only do a single counter-attack... now he'll do 2 counters. Is this correct? If so, the problem to me is that Subaki has decent SPD and would like 2x counter anyways. so seems like a wasted ability.

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Shanna -- Again, stats seem all-around decent. Threaten SPD seems like it'd help her already decent SPD to get 2x attacks. Coupled with Desperation, this seems really useful.

But I haven't really used Desperation yet. The reason... I can only get Desperation 2 (cause only 3 star). Lvl 2 only works at < 50%. If she's below half health, I'm rarely initiating. But you get Desperation 3 at 4 star (nice!) allowing this skill to kick in a < 75%. Curious if it's really useful at lvl 3.

So I guess my question is... is Desperation as good as it seems at max level 3?

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Florina -- Again, all-around decent stats. Seems like the theme with Pegasus Knights is that they are all-arounders (no stat amazing, none really weak). At least that's the case with these 3... which is making my decision tough. Which is why I'm looking for feedback.

So at first, looking at Florina's skills... I didn't really like her. Her SPD bonus on initiation is really nice. You can get max +6 SPD at 4 star (very awesome!).

Didn't really know what to think about Breath of Life. Thought it'd be too situational. And while it certainly is... it comes in handy (and into affect) way more than I thought it would. Nice bonus skill!

Another big bonus to me is her weapon. She gets anti-armor. To me this puts her weapon above Shanna's & Subaki's weapon.

So as you can see... I'm slowly discovering that she may be better than these other two Pegasus Knights.

So that brings me to my last question... how useful is Ardent Sacrifice? I don't have it yet. Seems very situational. But I thought the same about Breath of Life. But BoL doesn't take health away from you. Do me, it could only be used in emergency situation, where you just so happen to be setup for it's use. Take a turn away from her... lose life while giving it to some else. I still have to spend a heal afterwards on someone. And now I've used up Florina's ability to initiate an attack (+6 SPD bonus).

But I may be missing something... maybe Ardent Sacrifice is actually really useful... and it's what puts over above these other two Pegasus Knights.

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Anyways!!! I know I write way too much! But looking to share my opinions... in hopes it helps someone down the line. And hopefully your input can help... and others down the line.

Many thanks for taking the time to read! Any feedback is much appreciated!