Symmetra in Overwatch
This one is a fairly obvious choice thanks to her inability to heal and the fact that she takes up a Support Class spot. Symmetra’s kit itself is just not that powerful, mainly because her turrets are easily obliterated even when they are hidden. Since they have such a low damage output to begin with, their only real utility is slowing players down who enter them.
Again, it’s annoying, but not enough to suffice removing a healer from your team. Instead, what would be interesting is having the slowing stack per turret beam that connects with an opponent. Doing this would both encourage Symmetra players to utilize chokepoints as intended and allow her turrets to act as defensive options for flankers such as Tracer, Genji, and Sombra.
Secondly, her actual main weapon should only get the smallest of buffs, mainly to the actual charge time of the weapon. Keep the damage and actual projectile speed the same, but allow for her to contribute more to holding key chokepoints. Given her entire design is based around this, allowing her to assist a friendly Reinhardt would be a potent combination.
