HI, please help me to find plugin I'm looking for a plugin that gives a ban for every 100 deaths. Ie I'm looking for a hardcore plugin that gives a ban for X deaths
I don't believe one exists, but I'm sure you could hire a developer to code a custom plugin as that seems pretty simple.
If you are trying to make a HCF server and this is a feature that you would like, I would just recommend that you use a well known HCF core because nearly 100% of the time they will have features like deathbans build into them. Some do also have options to ban them when they reach a certain number of deaths.