[RPG] As a monk, can you make a melee attack roll using your Strength modifier, but roll damage with your Dexterity modifier

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I want to know if you can make an attack roll with one stat, but deal the damage with another. As a monk, can you make a melee attack roll using your Strength modifier, but roll damage with your Dexterity modifier?

I was thinking of making a multiclassed monk/barbarian. I was hoping to use Reckless Attack to gain advantage on the attack roll, but that requires attacking using Strength, so I was wondering if I could attack using Strength but use my Dexterity modifier for the damage rolls.

Best Answer

No

You must use the same ability modifier for damage and attack.

Basic Rules, Damage and Healing

When attacking with a weapon, you add your ability modifier--the same modifier used for the attack roll--to the damage.

Impact of House-ruling this

It makes certain multiclasses more powerful and makes the already-powerful DEX ability score even more powerful.

For example, consider a multiclassed Barbarian/Monk. Allowing the player to use STR for attack and DEX for damage means they can Rage and use Monk features in the same attack. Rather than having to make a choice with consequences, the player can have the best of both features with no consequences.