That's where we're running into the problem, I'm afraid; Eridan can't aim because of his eye, and it's not clear where Dualscar's loyalties lay. It's problematic, to say the least.
But leave that to me. Who do you think should try and talk to him, to make the deal, once he's been drugged?
Video; filtered
But leave that to me. Who do you think should try and talk to him, to make the deal, once he's been drugged?