That’s it! you may need to implement your camera like ALS(Advanced locomotion system) to be customizable. In case you don’t want to look into ALS, it implement its camera by skeleton and animBP, so you can use timeline or anims or calc in event graph or whatever you want to manipulate the camera smoothly.
Edit: I just tested camera lag and found out it can be achieved not that complicated! when you set Camera Lag Speed to really low like 0.01, the camera is almost static. Then set it to a higher value will let the camera chase character mesh, and that’s basically what we want in this topic! You can also use timeline and play with Camera Lag Max Distance to make it smoother.