You can auto-numlock Command Skeletons.
If you do not attack, it won’t trigger.
But if you attack (Ex: Grim Scythe on an ennemy), your skeletons will take this ennemy as a target and Command Skeletons will be triggered.
You can use this tactic with any Necromancer build, pairing with Obsidian ring, to reduce your cooldown.
Example
Pestilence with Command Skeletons to reduce cooldown of Land of the Dead:
