Bruiser keystone Idea

A keystone that will give divers and juggernauts more breathing room during team fights- Anti- CC chain, for example; Getting cc’d by 3 seperate sources in 2.5 seconds grants 50% tenacity for 2.5 seconds (5 seconds cool down) Oh wait, never mind, it’s obviously gonna be abused by ADCS like they abuse everything designed for melee and Riot obviously won’t make it melee only.