"… he’s trying to balance his identity as Oliver Queen with his identity as the Arrow. That duality is really going to be tested and it’s going to force Oliver to make some difficult choices. … And we’re going to start laying the pipe for those choices and dramatic moments here in the comic book."
Marc Guggenheim talking about how Arrow: Season 2.5 also sets up the next step in Oliver’s overall evolution. Spoilerish stuff, so be warned (X