wait for the tank update.
as far as i understand, resistance itemization is going to be heavily nerfed across the board and those stats are redistributed to base stats of wardens, vanguards and juggernauts.
so items like dead mans should be heavily nerfed for champions like lee and elise, while they remain the same for the champions who are supposed to be beefier.
though id say that
isnt very problematic in that regard. hes not THAT mobile, and you can even body block his dash to deny him escapes.
if dead mans really remains to be a problem on mobile champions and is more effective on them than the type of champions its targeted at, id have a solution for that. what if mobility tools (other than summoner spells and movement speed buffs) just reset dead mans movement speed buff to 0?
basically using anything that is affected by the grounded debuff makes dead mans movement speed buff fall off?