[SigKill]

So if your lets say cloak procs its 5 second stun "Gavel of Justice"
you have somthing on your screen that lets you know its up. (some things that proc are looking like they dont all have game text)
or something like "Staggering Blow" , just something to let you know that , yes, it took effect, 2.5 seconds and it will expire.