Chopper does a lot of things here... Someone who reduces paralysis and silence duration by 5 turns like buggy LLR or Jinbe TM (but jinbe isn't boosted by ace) and then you have to put a support that reduces despair duration by 2 turns when the supported character uses his special (like Nami Valentine for exemple)
Pretty cool team, you could have made it even faster if you burnt Zoro + used Vs special before Ace special to get the chain boundary. Clean team nonetheless. 👍