I'm curious as to why you find /focus is unnecessary? Granted it's not needed to get the job done... but for what you're looking for, it seems ideal.

Here's what I mean. I play 4 characters and I use X-Keys Desktop (not needed for this but love programmable buttons). I have 4 buttons setup for focus commands. Focus #1 - Focus #4. I then create macros on each of my characters to tie to those buttons. I'll use my Jayy's as examples. Focus #1 is set as Ajayy, and so on.

When I group up, I hit Foucs #1 and everyone is focusing on Ajayy. All my spell macros are set to /assist [target=focus].

Therefore, no matter who is leading, all spells only cast at the target of the focused one. So, in battle if Ajayy dies. I simply hit my macro Focus #2 and all my remaining slaves will target whatever #2 (Bjayy) is targeting. I then simply hit the attack spells and they all go right back to battling as if Ajayy never existed.



This has worked perfectly for me in PvP encounters. It also seems to be a flawless system for the exact issue you're looking for. Please feel free to correct me if I'm wrong or give your insight to it, but it's a tried and proven method for me. Just trying to help out. 8)