In Minecraft, how to roll in Minecraft Epic Battle can be referenced as follows:
Epic battle rolls require a short press of the sneak key (default is left shift), which allows you to roll while running.
Icon on the left: Shows the cooldown of the roll.
Yellow stripe: Shows the energy of a special skill. Inflicting damage to enemies can gain energy (how much energy depends on the damage value).
The icon on the right: shows the special skills of the weapon you are holding. It is reset when you switch between holding items.