The fact that healing dosent work on old units explains why one of my masters is dying on disease at my capital next turn. I thought healing works for not age related afflictions

Well we play and learn... The hard way
Using gargoyles as light SC is something that i need to try on my current game. I am playing against R'lyeh so mindhunts and magic duels are bit too common for my taste... I was planning to try crushers but i think gargoyles will be better.
Nasty combo that mindhunt/dueling thing. Can't attack whit or whitout astral mages. I think i need sneaking astral mages. Is there others than spectres?
Anyone got any nice tips against R'lyeh?