Not necessarily expecting to see anyone put anything here but I'm leaving this open so anyone interested build Roland on here at whatever level you think he'd be at a given point in his life using 15,20 or 25 point buy your choice. Think this has been touched upon before but let's see if anyone bites in the next hour or two.
Roland Deschain Mysterious Stranger 20
=20 point buy=
Str. 10
Dex. 20
Con 12
Int. 10
Wis. 11
Cha 18
Give him Flurry of Blows, but only for projectile attacks. And have it apply to all firearms for him.