Best donutsmp client and how does it benefit me?

looking for the best client for donutsmp and im curious how this will benefit me in this smp, also seperate question, is there a crystal pvp hacked client?

ima be real the only client you would use on donut is a cw client or as you call it a crystal pvp client

im not sure of free options however i can recommend

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its the only one i have used and it works well with a good config