Talk:Hati/@comment-2061246-20151029214914/@comment-49.146.227.138-20151029220042

Similar to Silence in other RPG games (like Final Fantasy), characters with this status effect are unable to use specials.

Here is a video sample.  See Yoshitsugu get an X on his gem (that indicates if he can or can't use his special). That means even if he has enough mana to use it, he is unable to because of seal.