Stalker Ice Armor
Like all other Stalker offensive auras (that is, those that generate aggro and notify foes) it suppresses when Hidden.
Kosmos
Global: @Calorie
MA Arcs in 4-star purgatory: Four in a Row (#2198) - Hostile Takeover (#69714) - Red Harvest (#268305)
you should be
My new Youtube Channel with CoH info
You might know me as FlintEastwood now on Freedom

It suppresses when hidden, but it does not suppress when you placate. It is best to make a macro that turns it off, then placates.
How does Chilling Embrace work with Stalkers?
My new Youtube Channel with CoH info
You might know me as FlintEastwood now on Freedom