> I have no doubt that our clouding is a universal invisability and was
> intended as one, there for we do not need invis vs undead.

It's not completely universal, nor do I think it was intended to be.

Those plain jane skeletons that roam around still stupidly attack
me with my invis song on. And while I have been able to browse
around Unrest and a little of Befallen with clouding, I cannot do
such in Lower Guk dead side.

It's also possible that even with invis up, things are scowling
at you and they just happen to be green and/or non-agro.

Harmonic Distortion, 50th unchained melody.
League of Antonican Bards, The Wind Spirit's Song
Innoruuk <The Unbidden>