according to the prima guide the “grass spirit” have an incorporeal undead body type which should be:
-15% crush, -15% slash, -15% thrust, 10% heat, 10% cold, -20% body, 30% spirit
Source:
https://i.imgur.com/FUErNGP.jpg
-15% crush, -15% slash, -15% thrust, 10% heat, 10% cold, -20% body, 30% spirit
Source:
https://i.imgur.com/FUErNGP.jpg