Path of Exile 1 Gameplay Help and Discussion - Freeze mine + Cold Pen + Frostbite - Forum

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shroudb wrote:

max freeze duration is 3.33s

the only thing that makes this linger is :Quality elemental proliferation and the +%freeze duration passives.

so the 6l you posted is a bit overkill^^

Q20 freeze mine +Q20 elemental prol + added cold + cold pen is more than enough for max duration freeze on a huge ass area

Overkill for any logical mind. I'm just putting up the absolute most you could do with it, to maximize it without error.