Barbarian Spiritist's Hammer Vs Poison Wind Censer

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Barbarian Spiritist`s Hammer
Skill: 2H Blunt Atk Delay: 43
DMG: 22
WIS: +13 INT: +13
Effect: Winter's Roar (Combat, Casting Time: Instant) at Level 30

Poison Wind Censer
Skill: 2H Blunt Atk Delay: 28
DMG: 20
STR: +5
SV POISON: -30
Effect: Gale of Poison (Combat, Casting Time: Instant) at Level 50

You would want to go with the Barbarian Spiritist`s Hammer, if you can find someone selling it? I tried looking for this hammer when I was updating/upgrading my equipment and it's something not commonly sold.

But based on the two items, the Hammer will work out best because it will cast at 30 instead of 50.
The dot will do more at 30 then the dot at 50.
The +13 WIS will help your mana.

Sure, the Poison Wind Censer will hit faster but who really wants a negative 30 in poison just to use it?