Look at the stat, all sentinel are in positive in soloQ beside Veto while every controller are in negative. Balance are also made for soloQ
Again, sentinels are impossible to balance for proplay, either they will destroy soloQ, or they will be useless in proplay, no in between, Reyna treatment, either they are a way to avoid the trap and proplay will manage to dodge the trap making sentinels useless, or they are no way to dodge a Sentinel trap and then it's simply OP
I did that in the past, but I should have focus more on trap thing https://www.youtube.com/shorts/1z2R8AKy5VE