I was in Netherstorm on my mage and I had my elemental out.
I have Natur cast bar and I saw my elemental was getting close to despawning.
I sent him on the mob to pull it for me while I was drinking and he despawned JUST as his waterbolt went off.
The damage numbers didn't pop up, but it DID do the damage without aggro'ing the mob.
Like I said, it's nearly useless so don't post back with LOL WHO NEEDS THAT?
Do with it what you will.
May also work if you dismiss your pet JUST as the waterbolt goes off.
Thanks.