Thoughts on grailing Shishou

If you like her character sure, grailing for stats really doesn't affect much.

If you really like her, then I’d say go for it. If your asking more so is it worth it...probably not. If you want to get the most out of your grails, it is much more efficient to use them on ideally 4*s or one of the really good 3* servants. Since it only takes 2 grails to take a 4* from 80-90 and far less QP than using 5 grails and probably all your QP to take her from 90 to lvl 100, it’s more efficient and usually more beneficial to use em on 4*s. You’ll gain roughly and extra 1k attack and hp boost going from 90-100. In the grand scheme it isn’t really worth all the effort and xp cards needed to do so.

For grails I always personally recommend that you use them on the characters you like first and foremost. After that, I use them on 4*s to get the most bang for my buck. I grailed Shuten and Scath once each as that’s my sign that they are my favorites lol. Well, Shuten twice as she is my absolute favorite lol. Then I used two each on Ibaraki and Saberlot to give them the stat boost to put them over the top. I always pair that with a full Fou boost from the monthly mana prism exchange. Combine that with 2 grails and their base stats will pretty much match up to the 5*s

T H I G H

The only viable things to grail in FGO:
1. Your waifu
2. "Meme servants"

Anyone else telling you to grail a specific servant for the sole purpose of "having better overkill stats for hard fights in future updates" should not be trusted and should be executed on the spot.