Found a Jasper, what should I use it on

[Skorpeo1]

<DIV>Hi, Lv 31 Assassin here, found a jasper the other day in TS.  What spell should I use it for to upgrade?</DIV> <DIV> </DIV> <DIV>I have only Adept 1s so far.</DIV> <DIV> </DIV> <DIV>Regards</DIV> <DIV> </DIV> <DIV>Skorpeo</DIV>