As the name suggests, the Ice Cave is a small cave full of ice on the southern edge of the northern continent. At the start of the game, it is the only way to cross the Rainbow River's northern tributary, connecting Hope Harbor and No Man's Land.
The main gimmick of the Ice Cave is the prevalence of icy floor tiles; if stepped on, the player will slide straight ahead until they hit an obstacle or reach a non-icy tile. Most of the secrets and treasures can still be reached with some clever maneuvering, but at least one will require the party to return after finding the Spiked Boots in the Frozen Valley.
In the paid version of EBF5, the Freezeflame Dungeon can be accessed from the middle of the Ice Cave.
The Ice Cave normally lacks a proper theme, instead opting for ominous ambiance. However, activating a radio in the western side will play "Innocence" (the menu theme) from Epic Battle Fantasy 2.
Of the few enemies that appear Ice Cave, all of them are Ice-based.