Baal minions & auras - binding for Warlock question

A couple times when I have bound a

Baal Minion I have had one with Freeze aura, two with

Conviction, and now one with

Fanaticism. Problem is I do not know whether all the minions cycle through an aura and I just need to time it correctly, or whether each of the minions has their own aura.

Right now the Fana one I just do not see as that good,

Conviction seemed to work better (or so it seemed). So how do I know which minion has which aura? Not seeing the typical aura graphic on them when they spawn, I did not even know any existed until now.

Is it also possible to bind Listener?

Typically, when a mob gets aura enchanted, they then roll a random aura upon spawning.

There are exceptions (e.g. uber meph always has conv) but as a general rule, the above tends to stand.

Similarly, if you have lvl 20+

Bind Demon, any demon bound automatically gains aura enchanted if they don't already have it. If that demon already had aura enchanted, it'll keep the same aura it had before you bound it. If it didn't have an aura before, it will gain a new random aura.

Keep in mind that aura enchanted itself is a limited list and doesn't include every aura in the game as a possibility.

And yes, Lister can be bound.