Sleeping, Astarion eventually tries to suck your blood. If you let him, he gains the bite ability which is quite legit. If you are NOT using illithid powers I cant really think of aything important. If you ARE, abilities and stuff come with it.
What is the problem you are solving? Does your proposed change solve the problem? Is your change feasible? What else will be affected by your change? Will your change impact revenue? Does your change align with the goals and strategies of the organizations (Larian, WotC)?
