I want to talk about the FREEZING and BLIND talismans
Like KedhranX said the FREEZING talisman doesn’t worth. I have tested it triggers much less than it says.
It is supposed to trigger with a 35% (this should be 1 of each 3 times) and it happens 1 each 10 times or so.
On the other hand, you have the BLIND talisman. It really has a triggering of 35%. Also, as it is green, you can make your sentinel more useful.
(For me is not the same to lose attack/magic with your DPS character, than with the sentinel character, because this char is more for support than for deal damage)
Once a bad guy is blinded he will miss around 75% of its hits (3 each 4). Is true that a 100% would be better, but when you are playing at madness levels is very important to avoid as many attacks possible.
Another good thing of the blind is that it last for 2 rounds.
For me is a great talisman.