Do Not Spend Any DiamondsÄiamonds are probably the most important currency in KOF98 UM Online.
Join the clone battle every day and complete the three stages for the chance to get up to 30 diamonds.
No matter if your team doesn't perform very well, you still receive 20 diamonds as a reward (check your Email to claim). Ask for it to the leader of your club or you can also ask in the world chat window, people are always willing to tell (you can claim the reward in your email). The daily combo reward is 50 diamonds, you will have to execute a specific combo to earn this reward.(You can claim the diamonds in your email.) Below I will recommend you some of the best fighters for beginners and the easiest to unlock. The arena will reward you with diamonds every day according to your rank, the better the rank, the better the rewards, this means you will need to assemble a decent team fast, to get those daily diamonds sooner.
"Check-in" and "total check-in pack" rewards both include diamonds, so make sure to log in every day to get a nice amount of diamonds per month.