-Res +Def Ishtar Pitybreaker

I'd say use her, her offenses are untouched and she's an amazing offensive blue infantry mage, and she really only needs desperation and an assist to inherit.

Personally I really like Ishtar as a unit, and as someone with 7 different 5* blue mages she's in my top 3 favorite to use because of her offensive capabilities. Alongside Micaiah, because of mage tanking plus thani, and B!Ninian, because flying dancer.

i like foddering her off for odd atk wave. imo best C skill on a full offensive powerhouse. if u have no one like that then prob save her then. lilina has great nuking potential with odd wave. fully atk invested vantage M/Fgrima can also use odd wave well to ensure 1 hit ko in vantage range. and alot of other good blue mages like delthea/linde/lute. overused reinhardt and raven robin

Man, unless you don't need the strongest blue mage this game has to offer then you fodder her out for atk wave. But truly, take a look at her and her astounding +10spd +4 Atk (+10 in odd turns) of her BASE KIT player phase and the 1 turn CD moonbow or glimmer that she has and put her into your team composition. She is, by no means, a pity breaker of any kind. She's a beast delivering pain and suffering in red to green units alike. I've got a +atk one and It's very rare to her not to 0KO a unit she engages.