Tips for 6.2.2 Boss Mister Sinister

Oddkinsons7

Hi all, and tips on fighting Mister Sinister? Any champs effective to counter and strategy to fight him?

Thanks in advance

Scarcity27

Poison immune fury champ is your best bet. CMM, Medusa, Angela (easier with Heimdall synergy), Warlock with Robot Uprising synergy (which is what I used)