I’ve noticed that my mana crystal total ends with a 3 or a 8.
I see that every way to gain or spend crystals reward or request a multiple of 5, and I can’t remember when or how did I spend two or three crystals. Anybody does? Is or will be there any way to spend single crystals?
It bugs me a little that I will never be able to use all my crystals 
I have this too and it was from the first heroic against jace. Only rewarded me 8 for some reason.
Can confirm; same thing here: http://i.imgur.com/ysjsLAP.png
If you are wondering it is due to the first objectives awarding 8 crystals when the game launched, so they must have failed to change one of them after switching them.
Contact support via the app. They rounded my total up into a multiple of 5 within 24 hours.
Huh. This has happened to me too.
I just thought that there’d be 4 more 8-crystal rewards to even it out again.
EDIT - Customer Support has just bumped my crystals up to an even number again. Thankyou everyone. 
support just rounded it up to me too! high fives to all! 
FYI, I contacted support when I was at xx3 crystals, and they rounded me up +7. YMMV.
About that, the last maintenance has corrected the crystal amount, right? I’m pretty sure that I add a xx3 amount and now I have xx5…
Not for me, I’m at 627.
i was @xx5 before the last event reward .. now i’m @xx3 
