I would recommend reading/using dice reference (Keep/Drop dice): <a href="https://wiki.roll20.net/Dice_Reference#Keep_.2F_Drop_Dice_.28B.2CF.29_khN.2FklN.2FdhN.2FdlN" rel="nofollow">https://wiki.roll20.net/Dice_Reference#Keep_.2F_Drop_Dice_.28B.2CF.29_khN.2FklN.2FdhN.2FdlN</a> For example: A) /roll 3d20kh2 B) /roll ?{Elven Accuracy?|Yes, 3d20kh2|No, 1d20}