When Stasis got reworked recently, it became way too heavily reliant on the Harvest Aspects and Whisper of Rime, and formerly useful Fragments like Whisper of Chains lost almost all their value. While an extra stasis shard every now and then (provided you already have Frost Armour on you) is kind of useful, it's nowhere near as helpful as the old 35% damage reduction when near crystals or frozen targets. Now that it's gone, most Stasis builds have lost every source of survivability except for the Harvest Aspects, and not every build wants to be forced to give up an Aspect slot for that.
My proposal for a rework to the current Whisper of Chains is to change it to provide stacks of Frost Armour every second, while near stasis crystals or frozen targets. This would not only bring it back to be more in line with its old functionality, but would also provide a much needed source of Frost Armour to the subclass, that doesn't rely on the Harvest Aspects.
To be clear, Stasis still needs even more sources of Frost Armour, going forward, but I think this would be a good start.
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That and keep its current effect, the other fragment is straight up garbage