By 3 prototype KI, do you mean a normal prototype sigil pearl? Does that mean I have to enter on a different character so I retain mine? I tried that, too, and it still didn't work lol. It's possible the messages were lost because I was in a full alliance, but I tried the objectives and didn't get any of the 4 possible messages I was willing to try up until
He means KIs for killing 3 other bosses.
EDIT: but you have/had them since you say you have ashen Wings/False King.