Each shard now deals its cold damage over time and each shard chills for 25%. If the fifth shards hits a frozen enemy it impales and explodes consuming all dot at once.
All enchanted ice shards act as the fifth shard.
Why damage over time, out of curiosity? Currently shards gets alot of viability from crits; your item would remove crits from each shard and only the explosion proc would be able to do so.
If you want this type of effect, a similar effect can be achieved with xfals, firebolt enchant, and about 100% lucky hit.
Yes. Several ways with having to add multiple layers in gear, skils, and paragon points. This accomplishes all that with one aspect. And if you hit with all five enemy is guaranteed frozen and a guaranteed explosion that can crit for all dot damage. This is including burning damage. It negates having lucky hit for basic build and fire damage(although burning damage will only make it stronger). You’d save enchant slot, ring slot(no xfals needed) and lucky hit from paragon if needed to fill 100%.
Add the fact that all enchanted shards impale and explode gives more aoe damage. So even if you miss with last shards a couple the enchants will still proc explosions on frozen enemies.
This also chills so you can tap into those nodes and passives for more damage without adding frost bolt or another chill source. Chilling also can speed up staggering bosses which would make them melt much faster.