What's better: glowing wings, or slipstreaming?

Last time, you decided that an enemy which can't see you but can sense you is better than one which only moves when you're not looking. I concede that the former opens so many possibilities in games but god, I hate the latter in a way I enjoyi so much. Perfect terrible beings. But, science has decided and we must move on. This week, I ask you to pick between two forms of movement. What's better: glowing wings, or slipstreaming? Read more