It wouldn't have hurt him as much otherwise.

> I'm interested to see where this turn of events leads Dream, and what differences it makes to him in the long run. He certainly lives up to his Agent of Chaos name, never settling on a status quo for very long.

I keep coming back to Luke Skywalker in Return of the Jedi, because it's not so much about new powers (although I do anticipate his Android Arm bringing with it some additional applications) as much as it's about an overt symbol of his ongoing evolution - in this case, into something more than strictly human (or even superhuman).

Dream was already dancing on the tightrope over the chasm between being human and being pure Chaos, so becoming a cyborg (which makes him both organic and robotic, without being fully either) is yet another method of illustrating his almost irreconcilable duality (in much the same way as the mixed-race heritage he was born with).