Serenity Talisman (not working?)

[grigorow]

Hello Guys, quick question about the Serenity Talismans. In the Talisman description, it says that "Grants inmmunity to all silver effects" ... But, or there is something I'm not understanding, or there is a bug, because those Talis do nothing against Malakov. My idea was to use them on my Blue Hierophant, to avoid Malakov attack and then cleanse all my allies. But it's not working because as soon as Malakov dies, My blue hierophant turns into sleeping beauty, full of silver crap.