A unique enchantment for the Mace "Letal Swing"

First of all, I would like to complain about the issue of not being able to put enchantments on the mace as mending or unbreaking, sincerely that is not a way of making a unique weapon. Thats why I propose a new enchantment called "Letal Swing", the thing it does is that when you right click like a trident you make a swing with the mace doing area damage, resolving the problem with the mace being to inefficient on a big area of mobs.

The enchantment can have two levels:

Letal Swing I: makes a swing of 3 seconds that makes a total of 6 hearts (2 hearts per second).

Letal Swing II: makes a swing of 3 seconds that makes a total of 12 hearts (4 hearts per second)