Harvester

Weapon, Legendary, Requires Attunement, Improving

The Academy curator shows you an antique silvered war scythe (as a glaive) inscribed with a radiant solar motif. The gold solar rays twist into an ancient Pirran pictogram that translates as "Harvester".

Harvester is a legendary weapon, and possesses unique qualities that grow stronger as you prove yourself worthy to be its bearer.

When first wielded, Harvester is a silvered glaive in the shape of a war scythe.  The weapon deals radiant, rather than slashing damage, and sheds light as a candle when in dim light or darkness. If the weapon goes three days without exposure to the sun, it loses its magical qualities until it is exposed to the noonday sun for at least an hour.

The Trial of Hordes

Harvester grows stronger the first time that you face a horde of mindless undead alone.  The moment you are within reach of three or more mindless undead (INT of 3 or less) with no allies within ten feet of you, Harvester grows brighter and the blade transmutes from steel into pure holy light.  

You now gain a +1 bonus to attack and damage rolls made with this weapon, and the intangible blade cleaves through undead like wheat falling before a scythe.  When Harvester deals damage to an undead enemy, you may make an additional attack against another enemy within your reach with -1 damage on the roll.  You can continue these attacks, increasing the reduction in damage by -1 each time, until you fail to do damage on your attack, or until you strike a creature that is not undead.

The Trial of Night

If you survive the Trial of Hordes, Harvester will again grow stronger the first time that you face a powerful undead foe (Challenge 13 or higher), the scythe blade burns with fire in the presence of undead.

You now gain a +2 bonus to attack and damage rolls made with this weapon, and the weapon deals an additional 1d6 fire damage to undead creatures.  Undead creatures that are killed with this scythe do not resurrect or regenerate.  The harvester grants a true death.