Passive skills

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  Magic CreaturesTakes 10% increased damage from attacks that are effective against Magic Creatures. P. Def. +5% Max HP +3% Received P. Crit. Damage -10% Received M. Crit. Damage -10% Resistance to Bleed +20% Resistance to Bow +10% Resistance to Crossbow +10% Speed -5 Resistance to Blunt -10% Resistance to Dual Blunt -10%
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  GrumpyStrikes without warning.
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  HP Increase (4x)Max HP +300% PvE Defence +5%.
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  Slightly Strong P. Atk.P. Atk. +20%.
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  Slightly Strong M. Atk.M. Atk. +40%.
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  Slightly Weak P. Def.P. Def. -15%.
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  Slightly Strong M. Def.M. Def. +20%.
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  Bow/Crossbow ResistanceResistant to Bow/Crossbow attacks.
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  Dagger/Rapier ResistanceResistant to Dagger/Rapier attacks.
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  Blunt Weapon VulnerabilityVulnerable to Blunt Weapons.
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  Reagent CarrierThe flesh of this monster is steeped in alchemical matter - a source of raw reagents.

Where it stands

21 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.