What if?
*edit added in* Why not just have certain perks not available until certain Killer/Survivor Ranks? Aka, no old ruin within the 11-20 category. Same with no DS, BT etc. The better you get, the more perks? Or the better you get the less perks you can use? Maybe even less or more perk slots?
(Devs, just ask the played with 1k+ hours and top streamers on their opinions?)
What if after a gen is completed there's a 1 minute CD until the next can go off? Then after 5 minutes of gameplay there no more CDs to gens?
Or what about not being able to see the debuffs on other survivors? Not being able to know you're "exposed" or "mangled" and whatever else there is? Make it more immersive. Where you can't see your sleep timer with Freddy or maybe even no Red Stain?
*Edit added in* I still like the idea that (no party chat allowed). But other survivors can talk to each other when they are within distance of other survivors. The killer will hear it as other noises and not actual talking therefore the Killer can hear whey they are (headphones) but then they won't be abused by voice communications?