During combat, you always need to keep in mind things like turn order, positioning, height, and how various magical effects interact with the environment and characters. To avoid this, you can equip spiked shoes on your characters before the battle, allowing them to retain footing. Any character that steps on the frozen ground will slip.
For example, during one battle you fight against an ice dragon that constantly freezes the ground. When preparing for battle, you need to consider your group setup, your formation as you enter the battle, and even what equipment you bring with you. Very deep turn-based combat Winning battles in D:OS2 is equal amounts of preparation and tactics.
