"Believe it or not, it let you hold it longer than it would most people." And Riku was actually rather surprised by that fact. Most people only got a few seconds, hardly any time to look it over at all. But for some reason it stayed in Morgana's hands for a minute or more, and Riku really wasn't sure why it would have done that. Unless, of course, she had some sort of unknown connection to whatever power was behind the keyblades.
But at her comments he simply nodded, a smirk on his face. "Extremely convenient, actually. Makes it really hard to disarm me, plus it's next to impossible to take my keyblade and use it against me. Unless it's another keyblade wielder, but then it's not even guaranteed." After all, Riku wasn't able to use the majority of Sora's keychains, and Sora wasn't able to use many of his. The line between the light and the dark may not seem like it was all that definite all the time, but it was there. And it was really hard to cross it. Sora was the light, Riku was the dark. Or, well, Riku liked to think of himself as more of the middle road, actually. He used to be all darkness, but that was a long ago. None the less, it was still where his power was based.
"And I'm not surprised you haven't seen one before. There's only a few of them, after all." And boy, wasn't that the truth.