this is her 3rd final transformation (top tier)
no other forms have been created as of yet

300$--- extra art 2nd stage (both)
450$--- back + side view anthro stage (both)
500$ --- new art or Overlord form (or 1st stage) another form
650$--- Feral (kitt, fox, wolf) (or dragon form)
700$+ extra arts (tentacle if wanted)
800$+ more extra arts
1000+ extra art with your prev OC