Diiiiiiibs!

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Have you noticed the charges on Cyclone btw? It seems to subtly grow in area (at least that was my impression) as you keep channeling.

EDIT: Plucked some data from the videos.

The gem tags are: Attack, AoE, Movement, Channeling, Melee.

The mana cost is 2 (down from 12).

Damage effectiveness starts at 45% (no change).

Movement speed multiplier is negative 30% (no change).

Attack speed has a 200% more multiplier (up from 50%) (EDIT: Seems it's just a cosmetic change to compensate for the fact that Cyclone does not actually hit twice per activation anymore).
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No change to requirements at gem level 1.

First hit still deals 50% less damage (not sure what it's needed for at this point).

The skill gains stages (?) (up to 6 has been seen thus far). They seem to subtly increase AoE as you keep channeling, and have a short decay timer upon interruption, akin to Worb and other channeling skills.