Help with pk2 editing!

i want to edit a data.pk2 from mysro!
so i want to edit lvl 70 skills with lvl 100 skills..but i cant find them on the data.pk2(the 100 skills)

my question is..how can i put the lvl 100 skills from other data.pk2 that has the skills into mysro data.pk2!

Extract from Isro pk2 ,Rename files to what u want to edit and Import to your mysro data.pk2.