How do I get skill points

You will get skill points by upgrading your Lord Level. If your Lord Level is between 1 and 9, you can get 3 skill points when upgrading. If your Lord level is between 10 and 19, you can get 4 skill points when upgrading. If your Lord Level is above 20, you can get 5 skill points when upgrading. You can upgrade your Lord Level by killing monsters or using the Lord EXP items.