User blog comment:FairyTailFan/Juvia not as strong/@comment-3075024-20130606052323/@comment-7418318-20130606063728

"Because it didn't work in another manga" is really no good argument why it wouldn't work.

But I got one: If the poison is frozen, it won't be able to enter the victims blood stream. So unless the ice is left inside the wound, it would be useless.