update1.2
change her location to "Jorrvaskr" unintall and dismiss before update to this. include voice fix file
1.1
change her voice for more fit you should also downloda Unofficial Skyrim Patch otherwise some voice will be missing (bug)
add some spell now she should efficient in combat

Cassandra nick name spyder
fighting style : spellsword

at frist I just creat her to have fun with my other character and I thought why not share with u guys? so here we are my first mod here ,take me lot of time to create her and use lot of other mod here,so please be gentle and tell me if you have any question!
and yes she is standalone you may no need other mod to get it work but i highly recommend u download Amazing Follower Tweaks to teach her some spell!

find her in "Jorrvaskr" if you can't find her anywhere open up Console
typing
"help spyder"
"player.placeatme"with her id

Mods used:
Ethereal Elven Overhaul
Beautiful Freaks Warpaint
Covereyes by mrLenski

Remember to take screenshot her:)
Thank you Endorsements if you like her:)