Decastave

2nd-level conjuration (Artificer,Druid,Warlock,Wizard)

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• Casting Time: 1 action
• Range: Self
• Components: V, S, M (a duskwood club or quarterstaff of duskwood)
• Duration: Concentration, up to 1 minute

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You transform a club or quarterstaff carved of duskwood into a 10-foot long staff made of punishing magical force. For the duration, you can use your spellcasting ability instead of Strength for melee attack and damage rolls using that weapon, your reach with the weapon becomes 10 feet, and you inflict 1d12 force damage when you hit with it, instead of the weapon's normal damage. The weapon is considered magical for the duration. The spell ends if you cast it again or if you let go of the weapon. In addition, once per turn, when you hit with the weapon you can choose to inflict an additional 1d8 necrotic damage. You regain hit points equal to half the amount of necrotic damage you inflicted.

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, the necrotic damage increases by 1d8 for each slot level above 2nd.