You earn Rank Points when you goto https://vote.primegames.in/ and vote on each of the three vote sites. Each vote is worth one Vote Point and you can vote once every 24hrs for each site. Be sure to use your in game name, to receive your rewards. PrimeGames also offers the opportunity to earn Free Vampire Rank or 1,000,000 in game cash, if you successfully vote on all three sites for the entire month.
After successfully voting a certain number of times you can unlock various ranks. Voter, Member, VIP.
This will allow you to access the kits for those ranks using /kit