Thank you for taking out time to answer. If I use ActorToPoint’s Location in FindLookAtRotation then the Shooter Actor or Cannon will directly point to Target instead of slight inclination. Although by setting velocity the projectile hits the right target. This inclination problem may or may not be noticeable. As of now, I am happy with the solution you provided : )
As for “Suggest Projectile Velocity with Custom Arc” what is the difference between Out Launch Velocity and Toss Velocity of “Suggest Projectile Velocity"? I am sorry for asking too many questions.