Posting this under future clerical magic, because 50 circles is years away for my character. If you only know the hydra hex spell does it do anything? Are maledicion and COZ required to operated hydra hex?

The tree is setup a little odd in that regard. You really should be required to have Malediction or CoZ as a pre-req, since I've never even considered using Uncurse with it. Does anyone know what possible situation you would benefit from having Hydra Hex laced with Uncurse up? As an aside, Malediction and Hydra Hex should be in every Cleric's repertoire.

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Prydaen prayer for the hunt:
http://pastebin.com/fRrP52H7

Hyh with Uncurse serves as an amusing group dispel.