I think your main inspiration could be diep.io, or you could even sell them your idea, as one of the drawback of that game i think is that if you are overpowered, then you could just afk kinda. I could see your idea being implemented as a gamemode in there. But im just brainstorming here :D
Viewing post in Nick of Time jam comments
Ahh yeah I see the similarity and the applicability.
I think I might do a bunch of prototypes (this mechanic in various different types of games and some tweaks to the mechanic itself) we'll see where that gets me.
Alas, I don't think you can sell ideas but hey , if they want to hit me up, they can :D