Curtis Holt has been a fun new addition to Arrow, reminiscent of a Season 1 era Felicity Smoak. He's a tech genius who works for Palmer Tech, which is now headed up by Felicity, meaning that the two of them have shared a fair bit of screentime, although he has yet to become a member of Team Arrow as it were. That alone might be reason enough to rule out Curtis, because as it stands his death would certainly have an impact on Felicity, but less-so on Oliver. Sure, he'd be upset, but not kneeling-by-the-grave-touching-the-headstone-while-crying upset. There's still time to strengthen that bond, but it'd be somewhat rushed, and also overlooks the bigger plans for Curtis in the future. He's Arrow's equivalent of Michael Holt, meaning that later down the line - presumably in Season 4 - he will become the superhero Mister Terrific, a super-smart hero who is skilled in various martial arts. Likelihood Of Dying: 3/10