Ahhh very interesting, you know what...
What Lorne said does actually does shine through in the first game a little. The first time you are actually instructed (or taught) to use Abe's possession ability in when you meet Big Face and get to the Story Stone in the Monsaic Lines, there is a little puzzle to possess a Slig there and to be honest you don't have to talk to anyone to get out of Rupture Farms in beginning either.
Cheerz Nate!
MattchewJDB