I know it is just for Killer tier players, but this game needs it to be available earlier imo. I am a very bad KI player and sit in Silver for the time being. But I do however feel like there are some matches where I could have definitely won a best of 3 set. You can play really well in this game, then get hit by 1 or 2 surprises and lose a full life bar from high damaging combos. This is especially true for newer/worse players in lower rank tiers because we are not that good at noticing L/M/H break points. And newer players have the additional burden of having to recognize these patterns for a huge roster.
But, I believe better players will overcome in best of three sets, and messing up a breaker won’t be a death sentence for us low ranked dudes.