Each player has their own element that you chose, and each element has it's own skill-set (Split into three branches. Physical, Magical, and Assistant). Using a skill, gives that skill more experience, and it can eventually gain more rank. Once a skill hits a certain rank, it can unlock a stronger version of itself.
Skills suffixed with "Attack" grow into "Hit," which in turn grow into "Beating" or "Bead," but not necessarily at ranks 6 and 15.
The chances of the seals (part of the Assistant Skill Branch) being successfully executed are based on the INT of the player. The higher the INT, the greater the player's chances of sealing the enemy target. Some examples of seals include: Freeze and Sleep from the Water element and terrafication from the Earth element.
In Wonderland Online, the Water, Earth and Wind elements can learn a few hidden skills once the necessary criteria has been achieved. The following tables will display the hidden skills available to each element,