Mil-lilly of today

This page shows pictures of 'Mil-Lilly'- an enemy in Japanese online game PhantasyStar Online Blue Burst. I need a weapon 'Psycho-wond' and she gives it. However I can rarely see her and she rarely give it. How many Mil-Lilly do I need to kill?

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millily-20070530.jpeg#41 (2007/5/30) Item: Currency(2007)
millily-20070605.jpeg#42 (2007/6/5) Item: Currency(2007)
millily-20070606a.jpeg#43 (2007/6/6) Item: Monomeit(2007)
millily-20070606b.jpeg#44 (2007/6/6) Item: Dimeit(2007)
millily-20070612.jpeg#45 (2007/6/12) Item: Super/Resist(2007)
millily-20070621.jpeg#46 (2007/6/21) Item: Currency(2007)
millily-20070622.jpeg#47 (2007/6/22) Item: Currency(2007)
millily-20070625.jpeg#48 (2007/6/25) Item: (I forget it)(2007)
millily-20070628a.jpeg#49 (2007/6/28) Item: Currency(2007)
millily-20070628b.jpeg#50 (2007/6/28) Item: Currency(2007)
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