About
A  Halberd counts as a Polearm type Weapon and as an Axe type Tool. A Halberd can be hung on a wall.
Weapon Purity
Craftable metal Weapons such as Halberds and  Spanish Sabres initially take their Purity from the  Wrought Iron Bars used in their construction but the Purity of all Polearms and Sword can be modified by selecting a  Whetstone and right-clicking it on the Weapon and selecting "Sharpen". This will consume the Whetstone and transfer its Purity onto the Weapon. Purity increases the amount of damage done by the Weapon by up to 10% at 100% Purity.
Cleave Attack Move
With the Polearms Skill learned and a Polearm type Weapon equipped, pilgrims can use the  Cleave Combat Move. Cleave is an Impact Attack with AOE damage making it easier to connect. Additionally unlike most Combat Moves Cleave's damage is based on Maximum Yellow Bile rather than current Yellow Bile meaning it does not get weaker the more times you use it without restoring your Humours. Using Cleave consumes Yellow Bile and does Blood damage based on your Maximum Yellow Bile, the Purity of your Polearm, and your combined Impact Power and Common Combat Power Artifact Bonus. Cleave will give you a small amount of  Imbalance. Impact Defense and Common Combat Defense Artifacts will reduce the damage you take from the Cleave Attack.
Axes
Equipping  Any Axe allows Chop  Trees,  Logs, and  Wood Piles, Split  Woodblocks, Strike  Cuttings, and Chip  Boulders, although it's better to use  Any Pickaxe for this if one is available. The higher tier the Axe, the faster it completes these actions.
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Halberd
Questionably Effective Axe.
