Fire Emblem Heroes - Narcian GHB Infernal Clear
Guess I'm going to be doing all the infernal Grand Hero Battles from now on, why not. The units I used in this one are a bit more hard to come by as opposed to my Valter strategy but they are much more flexible as far as who you can use to replace them.
UNITS
Cherche: One of the 2 heavy hitters of the plan, needed to kill the bow cavalier, blue cavalier and green cavalier. Also needs to be able to tank a hit from the latter. Reposition and Bonfire/Draconic Aura/Luna are the only essential skills here honestly, though drag back/hit and run also helps and is used in the vid. Iote's Sheild isnt necessary since she's never in range of an archer. Can be replaced by anyone whos capable of doing everything mentioned above.
Celica: Second of the main attackers, and another very flexible unit. Needs to be able to kill Narcian (any decent red mage can do the trick, honestly) as well as the archer while taking a hit inbetween. If you run a Celica like I do, I needed the HP+3 seal on her to not die from the archer's attack. Besides that none of her other skills are needed, although life and death certainly helps her offense. Like I said, easily swappable with another red mage such as Tharja, Katarina, etc.
Delthea: Another super flexible role, literally just needs to be a ranged unit who has Draw Back and can one shot the sword fighter. Thats it. You can replace with anybody who fits both of those requirements.
Azura: The sole dancer who of course helps reposition people everywhere to avoid and deal attacks. Doesn't actually need to attack anyone or use Wings of Mercy so don't worry about it, if you have Sing you're good. However I did need Hone Spd 3 on her for Delthea to double the swordsman, but if your blue mage can naturally outspeed him (39 spd required I believe) then that isn't needed either. Ninian should theoretically work here too but if you use Olivia you'll probably bait the blue cavalier to attack and possibly kill you. It might be doable though if yours can tank a hit somehow, or if you tweak the strategy a bit.
STRATEGY
Turn 1: Place Delthea just outside of the range of the sword fighter, Azura right below her, Cherche in the trees, and Celica under Cherche. This will set you up for your attack. End the turn.
Turn 2: Now move Delthea up and kill the sword fighter. Use Azura to refresh her turn and then move Delthea back down and Draw Back in order to save Azura from the archer and blue cavalier. Cherche and Celica stay put. With the sword fighter dead the enemies will now start to move.
Turn 3: Move both Delthea and Azura down 2 spaces to get out of danger. Celica and Cherche once again don't move.
Turn 4: Cherche needs to kill the bow cavalier, whether that takes Azura's help or not. She should drag back to safety to avoid the archer. End the turn.
Turn 5: Celica kills Narcian and Cherche kills the blue cavalier. Sing Celica and move her above Cherche, then use Draw Back on Cherche to save her from death.
Turn 6: Having survived a hit from the Archer, Celica finishes him off. Use Cherche to Reposition Celica out of her path and then dance her to take care of the green cavalier. You're done!
Like I said, this strategy is not very strict at all and can most likely be done with many different units that happen to fill the same role as the ones I used. It has a chance of changing a bit of the AI paths, but with a bit of creativity I'm sure it can easily be modified to work for you. Good luck!
Also sorry about the slight stuttering at times, the program used to record my phone was a bit laggy today. :x
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