you are a mound of ants, as such you can share space with another creature and attack anything you are on, but you cant use any equipment, and can only carry so much at a time.

natural weapon 1d6 shared space only
can't use armor or weapons of any kind
can share space with other creatures
carrying capacity limited to that of a small creature

whenever you cast magic, use a magic tool, or deliberately activate a magic effect, you must roll a d20.  if you roll equal to or less than your level than you must roll on a wild effects table (not included)

you are naturally scary

its far easier to intimadat than to persuade

you have the Telepathic and Telekinetic feats
you can not vocalize
vocal spell components are represented by a smell, and somatic are forming patterns in your body from ants