You gain a +1 bonus to attack and damage rolls made with this magic weapon. The bonus increases to +3 when you use the mace to attack a construct.
When you roll a 20 on an attack roll made with this weapon, the target takes an extra 7 bludgeoning damage, or an extra 14 bludgeoning damage if it's a construct. If a construct has 25 hit points or fewer after taking this damage, it is destroyed.
Note: According to the SRD, it is an extra 2d6 and 4d6 bludgeoning damage, although this is incorrect.
You gain a +1 bonus to attack rolls and damage rolls made with this magic weapon. The bonus increases to +3 when you use the weapon to attack a Construct.
When you roll a 20 on an attack roll made with this weapon, the target takes an extra 7 Bludgeoning damage, or 14 Bludgeoning damage if it's a Construct. If a Construct has 25 Hit Points or fewer after taking this damage, it is destroyed.
If you hit a creature with this weapon, that creature has Disadvantage on its next attack roll before the start of your next turn.