I'm an invertebrate, yet for some reason I can be bone disrupted. By design? I don't know the real benefits, although I'm thinking since I don't have bones they cannot be shattered, etc.

cast 'disrupt bone' zshifter
The water churns and begins to turn black around you from a squid's ink.
A giant squid lacks a bone structure that you could disrupt.

So long, and thanks for all the fish!