The real problem is that martial classes are way too good compared to spellcasters, and need to be nerfed hard rather than get feats that are better than half-decent.
Really at high levels while the fighter is banging on 1 creature they are saying that's not right when a wizard just dropped 40d6 in 4 locations with a 40foot radius and a 1 mile range but yea yea it is all melee
Oh and a tempest cleric doing max damage chain lighting once per long rest 80 damage a bolt joy because it leaps from the first target yea yea
Lets not even mention a scrolock
Feeblemind effectively turning someone into a vegetable for 30 days