I picked up my second and last Illusion d'Ombre. The shade Illusoire (£22.50) is a greyed purple/mauve with a heavy silver shimmer/metallic finish.
The spongy mousse like textures of these products are non drying and blend well, pigmentation is really good.
Swatched below on the left and blended in on the right:
However, I can't get on board with the long wearing claims. I'd been wearing a light wash of Epatant on the main lid and it lasts quite well with an eye base, however I have been wearing Illusoire higher up, above the crease, still with a base and have noticed I do get creasing after about 5 hours, this probably seems like I am being extraordinarily picky but I expect my shadows to last from when I put them on in the morning to when I get home (over 11 hours) and even though I only have one Armani Eyes to Kill shadow, the wear of that product outshines this.
I do think the two Chanel shades I have are really pretty, and I don't regret buying them but I'd go for another Armani next time as I know its going to give me wear that I can rely on.
Here's how it looks on, I've used it on the lid, with just a few of the shades from the Sleek Au Naturel Palette in the crease and to highlight & line.
I bought this from Debenhams.