Dk if it was mentioned.

The "Wind" Green Bard Aoe kinda reminded me of Oschon.

And then I began thinking, what do we have. That rain from the sky.

Ah that's right, The Bards Blood Series of Skills.
Bloodletter, and The other one I forgot its nane.(dk why for a sec I thought whetting.)

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Rain of Death

So unless someone's already mentioned it.
Maybe they are finally upgrading?
That series of Bard Skills.