i'm at the part in the first act where all the voidlings attack you near the hollow marshes. i used the red prince (my warrior) to taunt a bunch of them. as soon as it's their turn to move, two of the taunted voidlings walk directly past the red prince and hit my other character
i've seen lots of taunt-related nonsense, like enemies using aoe skills while taunted since they technically aren't aiming at characters other than the taunter, but this just shows that taunt doesn't work at all in the most basic sense. these things only have one attack, a targeted melee attack, and they are still able to hit other characters while taunted
this mechanic really needs a complete overhaul. it wasn't well implemented at all