Passive skills

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  AnimalsTakes 10% increased damage from attacks that are effective against Animals. P. Crit. Rate +25 Speed +5 P. Def. -5% Resistance to Bleed -15% Resistance to Speed Down +20% Resistance to Bow -10%
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  Slightly Strong P. Atk.P. Atk. +15%.
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  Slightly Weak P. Def.P. Def. -10%.
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  Slightly Weak M. Def.M. Def. -10%.

Where it stands

3 spawn points from the wiki.

What it costs and whether farming it pays — in the service: prices are read from the live order book, separately for every server.