Heartworm has more in common with Majus and Minus than with most avatars. Once a placeholder consciousness to keep that part of Jvan busy when she wasn't using it, now out of control and surpassing its intended abilities.

Chiral Phi is a piece of Jvan's personality that slowly gained awareness until it was given the chance to escape. Jvan will try and get some use out of that accidental creation later.

Or, more likely, that accident will find a way to get some use out of [i]her.[/i]