Can you post, in full, the <voice> tag of an actor/enemy using these conditions?
Viewing post in Other Conditions?
Here it is. I'm not sure if I did anything wrong somewhere since it looks alright to me.
<voice>
persona|naruakibasesummon1|
persona|naruakibasesummon2|
seeker|seekersummon1|
seeker|seekersummon2|
seeker|seekersummon3|
pixie|naruakipixiesummon|
dodge|naruakievade1|
confuse|naruakiconfuse1||sub=Naruaki: Gh... Where is this place...?|condition=speaker.isStateAffected(10)|
forget|naruakiforget2|sub=Naruaki: What do you mean by... Persona...?|condition=speaker.isStateAffected(8)|
battleend|naruakiresults2|condition=$gameTroop.turnCount() >= 2
</voice>
I'll look at them later, but I might have misunderstood what you wanted for states. They won't trigger the moment they're put under the states, and you might be best off putting the lines in the skills that make them confused/forgetful, provided you're using Action Sequences.
As for why the last one wouldn't work? I'd need to look into it. I might have made a typo or false assumption.