Critical Strike

1st-level divination (Bard,Sorcerer,Wizard)

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• Casting Time: 1 reaction, which you take in response to hitting a target with a melee weapon attack
• Range: Self
• Components: V
• Duration: 1 round

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When you cast this spell, it takes effect after you hit with the triggering attack but before you roll damage. Whenever you hit with a melee attack before the end of your next turn (including on the triggering attack), your weapon inflicts an extra die of its normal damage, and you score a critical hit on a roll of 19 or 20.

For example, if you rolled a 19 to hit an enemy with a longsword, you could cast critical strike as a reaction, and make the attack a critical hit. You would then roll an amount of slashing damage equal to 4d8 + your Strength modifier (the spell increases longsword damage from 1d8 to 2d8, and that is doubled again due to the critical hit).

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, the weapon damage increases by 1 die for every two slot levels above 1st.