what would be a MonsterMare version of (The Witcher)'s monsters ?

Which one would you like to see in MLP ?
Which one don't you want to see in MLP ?

Which Mane6 would you like to see as one o those monsters?
and which monster ?

p.s. Fell free to tack this out

I would like to see:
Dryad pone like in story: https://pastebin.com/CCcmSYzB
High wampire ponies